Finding the Fourth Proportional to 124,789.52, 172,209.15 and 68,200.89

Step by Step Solution

1. Step 1: Write the proportion equation
   124,789.52 : 172,209.15 = 68,200.89 : x
2. Step 2: Convert to fraction form
   124,789.52/172,209.15 = 68,200.89/x
3. Step 3: Cross multiply
   124,789.52x = 172,209.15 × 68,200.89
4. Step 4: Simplify right side
   124,789.52x = 11,744,817,296.14
5. Step 5: Solve for x
   x = 11,744,817,296.14/124,789.52
6. Step 6: Final answer
   x = 94,117.02