Finding the Fourth Proportional to 110,875.43, 153,008.24 and 63,128.80

Step by Step Solution

1. Step 1: Write the proportion equation
   110,875.43 : 153,008.24 = 63,128.80 : x
2. Step 2: Convert to fraction form
   110,875.43/153,008.24 = 63,128.80/x
3. Step 3: Cross multiply
   110,875.43x = 153,008.24 × 63,128.80
4. Step 4: Simplify right side
   110,875.43x = 9,659,225,816.27
5. Step 5: Solve for x
   x = 9,659,225,816.27/110,875.43
6. Step 6: Final answer
   x = 87,117.82