Finding the Fourth Proportional to 108,567.76, 162,611.04 and 83,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,567.76 : 162,611.04 = 83,422.72 : x
2. Step 2: Convert to fraction form
   108,567.76/162,611.04 = 83,422.72/x
3. Step 3: Cross multiply
   108,567.76x = 162,611.04 × 83,422.72
4. Step 4: Simplify right side
   108,567.76x = 13,565,455,258.83
5. Step 5: Solve for x
   x = 13,565,455,258.83/108,567.76
6. Step 6: Final answer
   x = 124,949.20