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Finding the Fourth Proportional to 104,455.95, 144,149.21 and 56,709.29

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Solution

The fourth proportional to 104,455.95, 144,149.21 and 56,709.29 is: 78,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,455.95 : 144,149.21 = 56,709.29 : x
  2. Step 2: Convert to fraction form
    104,455.95/144,149.21 = 56,709.29/x
  3. Step 3: Cross multiply
    104,455.95x = 144,149.21 × 56,709.29
  4. Step 4: Simplify right side
    104,455.95x = 8,174,599,796.77
  5. Step 5: Solve for x
    x = 8,174,599,796.77/104,455.95
  6. Step 6: Final answer
    x = 78,258.83

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