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Finding the Fourth Proportional to 368,715.44, 553,245.39 and 191,125.57

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Solution

The fourth proportional to 368,715.44, 553,245.39 and 191,125.57 is: 286,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,715.44 : 553,245.39 = 191,125.57 : x
  2. Step 2: Convert to fraction form
    368,715.44/553,245.39 = 191,125.57/x
  3. Step 3: Cross multiply
    368,715.44x = 553,245.39 × 191,125.57
  4. Step 4: Simplify right side
    368,715.44x = 105,739,340,513.62
  5. Step 5: Solve for x
    x = 105,739,340,513.62/368,715.44
  6. Step 6: Final answer
    x = 286,777.63

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