Finding the Fourth Proportional to 58,221.31, 80,353.92 and 32,729.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,221.31 : 80,353.92 = 32,729.78 : x
2. Step 2: Convert to fraction form
   58,221.31/80,353.92 = 32,729.78/x
3. Step 3: Cross multiply
   58,221.31x = 80,353.92 × 32,729.78
4. Step 4: Simplify right side
   58,221.31x = 2,629,966,123.74
5. Step 5: Solve for x
   x = 2,629,966,123.74/58,221.31
6. Step 6: Final answer
   x = 45,171.88