Finding the Fourth Proportional to 114,153.72, 157,513.74 and 71,682.18

Step by Step Solution

1. Step 1: Write the proportion equation
   114,153.72 : 157,513.74 = 71,682.18 : x
2. Step 2: Convert to fraction form
   114,153.72/157,513.74 = 71,682.18/x
3. Step 3: Cross multiply
   114,153.72x = 157,513.74 × 71,682.18
4. Step 4: Simplify right side
   114,153.72x = 11,290,928,263.15
5. Step 5: Solve for x
   x = 11,290,928,263.15/114,153.72
6. Step 6: Final answer
   x = 98,909.86