Finding the Fourth Proportional to 114,790.56, 158,411.04 and 64,489.92

Step by Step Solution

1. Step 1: Write the proportion equation
   114,790.56 : 158,411.04 = 64,489.92 : x
2. Step 2: Convert to fraction form
   114,790.56/158,411.04 = 64,489.92/x
3. Step 3: Cross multiply
   114,790.56x = 158,411.04 × 64,489.92
4. Step 4: Simplify right side
   114,790.56x = 10,215,915,296.72
5. Step 5: Solve for x
   x = 10,215,915,296.72/114,790.56
6. Step 6: Final answer
   x = 88,996.13