Finding the Fourth Proportional to 71,398.72, 98,532.72 and 43,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,398.72 : 98,532.72 = 43,098.88 : x
2. Step 2: Convert to fraction form
   71,398.72/98,532.72 = 43,098.88/x
3. Step 3: Cross multiply
   71,398.72x = 98,532.72 × 43,098.88
4. Step 4: Simplify right side
   71,398.72x = 4,246,649,875.35
5. Step 5: Solve for x
   x = 4,246,649,875.35/71,398.72
6. Step 6: Final answer
   x = 59,477.96