Finding the Fourth Proportional to 59,132.89, 81,602.72 and 33,638.66

Step by Step Solution

1. Step 1: Write the proportion equation
   59,132.89 : 81,602.72 = 33,638.66 : x
2. Step 2: Convert to fraction form
   59,132.89/81,602.72 = 33,638.66/x
3. Step 3: Cross multiply
   59,132.89x = 81,602.72 × 33,638.66
4. Step 4: Simplify right side
   59,132.89x = 2,745,005,576.95
5. Step 5: Solve for x
   x = 2,745,005,576.95/59,132.89
6. Step 6: Final answer
   x = 46,420.96