Finding the Fourth Proportional to 152,755.71, 229,078.89 and 52,889.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,755.71 : 229,078.89 = 52,889.10 : x
2. Step 2: Convert to fraction form
   152,755.71/229,078.89 = 52,889.10/x
3. Step 3: Cross multiply
   152,755.71x = 229,078.89 × 52,889.10
4. Step 4: Simplify right side
   152,755.71x = 12,115,776,321.10
5. Step 5: Solve for x
   x = 12,115,776,321.10/152,755.71
6. Step 6: Final answer
   x = 79,314.72