Finding the Fourth Proportional to 152,685.83, 210,706.98 and 84,704.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,685.83 : 210,706.98 = 84,704.15 : x
2. Step 2: Convert to fraction form
   152,685.83/210,706.98 = 84,704.15/x
3. Step 3: Cross multiply
   152,685.83x = 210,706.98 × 84,704.15
4. Step 4: Simplify right side
   152,685.83x = 17,847,755,639.97
5. Step 5: Solve for x
   x = 17,847,755,639.97/152,685.83
6. Step 6: Final answer
   x = 116,892.02