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Finding the Fourth Proportional to 341,931.40, 512,897.10 and 92,613.40

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Solution

The fourth proportional to 341,931.40, 512,897.10 and 92,613.40 is: 138,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,931.40 : 512,897.10 = 92,613.40 : x
  2. Step 2: Convert to fraction form
    341,931.40/512,897.10 = 92,613.40/x
  3. Step 3: Cross multiply
    341,931.40x = 512,897.10 × 92,613.40
  4. Step 4: Simplify right side
    341,931.40x = 47,501,144,281.14
  5. Step 5: Solve for x
    x = 47,501,144,281.14/341,931.40
  6. Step 6: Final answer
    x = 138,920.10

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