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Finding the Fourth Proportional to 61,511.40, 92,267.10 and 46,639.80

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Solution

The fourth proportional to 61,511.40, 92,267.10 and 46,639.80 is: 69,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511.40 : 92,267.10 = 46,639.80 : x
  2. Step 2: Convert to fraction form
    61,511.40/92,267.10 = 46,639.80/x
  3. Step 3: Cross multiply
    61,511.40x = 92,267.10 × 46,639.80
  4. Step 4: Simplify right side
    61,511.40x = 4,303,319,090.58
  5. Step 5: Solve for x
    x = 4,303,319,090.58/61,511.40
  6. Step 6: Final answer
    x = 69,959.70

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