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Finding the Fourth Proportional to 341,920.40, 512,880.60 and 92,602.40

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Solution

The fourth proportional to 341,920.40, 512,880.60 and 92,602.40 is: 138,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,920.40 : 512,880.60 = 92,602.40 : x
  2. Step 2: Convert to fraction form
    341,920.40/512,880.60 = 92,602.40/x
  3. Step 3: Cross multiply
    341,920.40x = 512,880.60 × 92,602.40
  4. Step 4: Simplify right side
    341,920.40x = 47,493,974,473.44
  5. Step 5: Solve for x
    x = 47,493,974,473.44/341,920.40
  6. Step 6: Final answer
    x = 138,903.60

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