Finding the Fourth Proportional to 55,229, 82,792.88 and 21,517.76

Step by Step Solution

1. Step 1: Write the proportion equation
   55,229 : 82,792.88 = 21,517.76 : x
2. Step 2: Convert to fraction form
   55,229/82,792.88 = 21,517.76/x
3. Step 3: Cross multiply
   55,229x = 82,792.88 × 21,517.76
4. Step 4: Simplify right side
   55,229x = 1,781,517,321.55
5. Step 5: Solve for x
   x = 1,781,517,321.55/55,229
6. Step 6: Final answer
   x = 32,256.92