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Finding the Fourth Proportional to 78,520.44, 108,322.47 and 46,671.24

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Solution

The fourth proportional to 78,520.44, 108,322.47 and 46,671.24 is: 64,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,520.44 : 108,322.47 = 46,671.24 : x
  2. Step 2: Convert to fraction form
    78,520.44/108,322.47 = 46,671.24/x
  3. Step 3: Cross multiply
    78,520.44x = 108,322.47 × 46,671.24
  4. Step 4: Simplify right side
    78,520.44x = 5,055,543,994.76
  5. Step 5: Solve for x
    x = 5,055,543,994.76/78,520.44
  6. Step 6: Final answer
    x = 64,385.07

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