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Finding the Fourth Proportional to 538,121.96, 807,072.84 and 201,100.40

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Solution

The fourth proportional to 538,121.96, 807,072.84 and 201,100.40 is: 301,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,121.96 : 807,072.84 = 201,100.40 : x
  2. Step 2: Convert to fraction form
    538,121.96/807,072.84 = 201,100.40/x
  3. Step 3: Cross multiply
    538,121.96x = 807,072.84 × 201,100.40
  4. Step 4: Simplify right side
    538,121.96x = 162,302,670,953.14
  5. Step 5: Solve for x
    x = 162,302,670,953.14/538,121.96
  6. Step 6: Final answer
    x = 301,609.45

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