Finding the Fourth Proportional to 71,665.16, 98,871.72 and 43,360.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,665.16 : 98,871.72 = 43,360.52 : x
2. Step 2: Convert to fraction form
   71,665.16/98,871.72 = 43,360.52/x
3. Step 3: Cross multiply
   71,665.16x = 98,871.72 × 43,360.52
4. Step 4: Simplify right side
   71,665.16x = 4,287,129,192.49
5. Step 5: Solve for x
   x = 4,287,129,192.49/71,665.16
6. Step 6: Final answer
   x = 59,821.66