Finding the Fourth Proportional to 114,573.50, 158,111.98 and 64,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,573.50 : 158,111.98 = 64,272.50 : x
2. Step 2: Convert to fraction form
   114,573.50/158,111.98 = 64,272.50/x
3. Step 3: Cross multiply
   114,573.50x = 158,111.98 × 64,272.50
4. Step 4: Simplify right side
   114,573.50x = 10,162,252,234.55
5. Step 5: Solve for x
   x = 10,162,252,234.55/114,573.50
6. Step 6: Final answer
   x = 88,696.36