Finding the Fourth Proportional to 108,577.76, 162,626.04 and 83,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,577.76 : 162,626.04 = 83,432.72 : x
2. Step 2: Convert to fraction form
   108,577.76/162,626.04 = 83,432.72/x
3. Step 3: Cross multiply
   108,577.76x = 162,626.04 × 83,432.72
4. Step 4: Simplify right side
   108,577.76x = 13,568,332,860.03
5. Step 5: Solve for x
   x = 13,568,332,860.03/108,577.76
6. Step 6: Final answer
   x = 124,964.20