Finding the Fourth Proportional to 59,138.55, 81,608.34 and 33,642.51

Step by Step Solution

1. Step 1: Write the proportion equation
   59,138.55 : 81,608.34 = 33,642.51 : x
2. Step 2: Convert to fraction form
   59,138.55/81,608.34 = 33,642.51/x
3. Step 3: Cross multiply
   59,138.55x = 81,608.34 × 33,642.51
4. Step 4: Simplify right side
   59,138.55x = 2,745,509,520.69
5. Step 5: Solve for x
   x = 2,745,509,520.69/59,138.55
6. Step 6: Final answer
   x = 46,425.04