Finding the Fourth Proportional to 114,672.13, 158,242.17 and 63,688.15

Step by Step Solution

1. Step 1: Write the proportion equation
   114,672.13 : 158,242.17 = 63,688.15 : x
2. Step 2: Convert to fraction form
   114,672.13/158,242.17 = 63,688.15/x
3. Step 3: Cross multiply
   114,672.13x = 158,242.17 × 63,688.15
4. Step 4: Simplify right side
   114,672.13x = 10,078,151,059.29
5. Step 5: Solve for x
   x = 10,078,151,059.29/114,672.13
6. Step 6: Final answer
   x = 87,886.66