Finding the Fourth Proportional to 114,254.50, 157,689 and 65,196.22

Step by Step Solution

1. Step 1: Write the proportion equation
   114,254.50 : 157,689 = 65,196.22 : x
2. Step 2: Convert to fraction form
   114,254.50/157,689 = 65,196.22/x
3. Step 3: Cross multiply
   114,254.50x = 157,689 × 65,196.22
4. Step 4: Simplify right side
   114,254.50x = 10,280,726,735.58
5. Step 5: Solve for x
   x = 10,280,726,735.58/114,254.50
6. Step 6: Final answer
   x = 89,980.93