Finding the Fourth Proportional to 114,672.12, 158,242.16 and 63,688.16

Step by Step Solution

1. Step 1: Write the proportion equation
   114,672.12 : 158,242.16 = 63,688.16 : x
2. Step 2: Convert to fraction form
   114,672.12/158,242.16 = 63,688.16/x
3. Step 3: Cross multiply
   114,672.12x = 158,242.16 × 63,688.16
4. Step 4: Simplify right side
   114,672.12x = 10,078,152,004.83
5. Step 5: Solve for x
   x = 10,078,152,004.83/114,672.12
6. Step 6: Final answer
   x = 87,886.68