Finding the Fourth Proportional to 72,061.43, 108,632.66 and 67,244.58

Step by Step Solution

1. Step 1: Write the proportion equation
   72,061.43 : 108,632.66 = 67,244.58 : x
2. Step 2: Convert to fraction form
   72,061.43/108,632.66 = 67,244.58/x
3. Step 3: Cross multiply
   72,061.43x = 108,632.66 × 67,244.58
4. Step 4: Simplify right side
   72,061.43x = 7,304,957,259.76
5. Step 5: Solve for x
   x = 7,304,957,259.76/72,061.43
6. Step 6: Final answer
   x = 101,371.26