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Finding the Fourth Proportional to 213,882.35, 320,806.80 and 56,106.69

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Solution

The fourth proportional to 213,882.35, 320,806.80 and 56,106.69 is: 84,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,882.35 : 320,806.80 = 56,106.69 : x
  2. Step 2: Convert to fraction form
    213,882.35/320,806.80 = 56,106.69/x
  3. Step 3: Cross multiply
    213,882.35x = 320,806.80 × 56,106.69
  4. Step 4: Simplify right side
    213,882.35x = 17,999,407,677.49
  5. Step 5: Solve for x
    x = 17,999,407,677.49/213,882.35
  6. Step 6: Final answer
    x = 84,155.65

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