Finding the Fourth Proportional to 103,714.93, 155,625.71 and 89,764.61

Step by Step Solution

1. Step 1: Write the proportion equation
   103,714.93 : 155,625.71 = 89,764.61 : x
2. Step 2: Convert to fraction form
   103,714.93/155,625.71 = 89,764.61/x
3. Step 3: Cross multiply
   103,714.93x = 155,625.71 × 89,764.61
4. Step 4: Simplify right side
   103,714.93x = 13,969,679,937.17
5. Step 5: Solve for x
   x = 13,969,679,937.17/103,714.93
6. Step 6: Final answer
   x = 134,693.05