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Finding the Fourth Proportional to 104,620.58, 144,374.70 and 56,875.12

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Solution

The fourth proportional to 104,620.58, 144,374.70 and 56,875.12 is: 78,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.58 : 144,374.70 = 56,875.12 : x
  2. Step 2: Convert to fraction form
    104,620.58/144,374.70 = 56,875.12/x
  3. Step 3: Cross multiply
    104,620.58x = 144,374.70 × 56,875.12
  4. Step 4: Simplify right side
    104,620.58x = 8,211,328,387.46
  5. Step 5: Solve for x
    x = 8,211,328,387.46/104,620.58
  6. Step 6: Final answer
    x = 78,486.74

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