Finding the Fourth Proportional to 71,079.18, 98,089.18 and 40,870.41

Step by Step Solution

1. Step 1: Write the proportion equation
   71,079.18 : 98,089.18 = 40,870.41 : x
2. Step 2: Convert to fraction form
   71,079.18/98,089.18 = 40,870.41/x
3. Step 3: Cross multiply
   71,079.18x = 98,089.18 × 40,870.41
4. Step 4: Simplify right side
   71,079.18x = 4,008,945,003.16
5. Step 5: Solve for x
   x = 4,008,945,003.16/71,079.18
6. Step 6: Final answer
   x = 56,401.11