Finding the Fourth Proportional to 114,488.64, 157,981.02 and 63,489

Step by Step Solution

1. Step 1: Write the proportion equation
   114,488.64 : 157,981.02 = 63,489 : x
2. Step 2: Convert to fraction form
   114,488.64/157,981.02 = 63,489/x
3. Step 3: Cross multiply
   114,488.64x = 157,981.02 × 63,489
4. Step 4: Simplify right side
   114,488.64x = 10,030,056,978.78
5. Step 5: Solve for x
   x = 10,030,056,978.78/114,488.64
6. Step 6: Final answer
   x = 87,607.44