Finding the Fourth Proportional to 71,179.02, 98,113.92 and 56,047.68

Step by Step Solution

1. Step 1: Write the proportion equation
   71,179.02 : 98,113.92 = 56,047.68 : x
2. Step 2: Convert to fraction form
   71,179.02/98,113.92 = 56,047.68/x
3. Step 3: Cross multiply
   71,179.02x = 98,113.92 × 56,047.68
4. Step 4: Simplify right side
   71,179.02x = 5,499,057,591.71
5. Step 5: Solve for x
   x = 5,499,057,591.71/71,179.02
6. Step 6: Final answer
   x = 77,256.72