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Finding the Fourth Proportional to 78,669.18, 108,555.18 and 46,833.72

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Solution

The fourth proportional to 78,669.18, 108,555.18 and 46,833.72 is: 64,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,669.18 : 108,555.18 = 46,833.72 : x
  2. Step 2: Convert to fraction form
    78,669.18/108,555.18 = 46,833.72/x
  3. Step 3: Cross multiply
    78,669.18x = 108,555.18 × 46,833.72
  4. Step 4: Simplify right side
    78,669.18x = 5,084,042,904.67
  5. Step 5: Solve for x
    x = 5,084,042,904.67/78,669.18
  6. Step 6: Final answer
    x = 64,625.60

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