Finding the Fourth Proportional to 71,674.29, 98,864.82 and 56,562.12

Step by Step Solution

1. Step 1: Write the proportion equation
   71,674.29 : 98,864.82 = 56,562.12 : x
2. Step 2: Convert to fraction form
   71,674.29/98,864.82 = 56,562.12/x
3. Step 3: Cross multiply
   71,674.29x = 98,864.82 × 56,562.12
4. Step 4: Simplify right side
   71,674.29x = 5,592,003,812.62
5. Step 5: Solve for x
   x = 5,592,003,812.62/71,674.29
6. Step 6: Final answer
   x = 78,019.66