Finding the Fourth Proportional to 59,139.55, 81,609.72 and 33,643.51

Step by Step Solution

1. Step 1: Write the proportion equation
   59,139.55 : 81,609.72 = 33,643.51 : x
2. Step 2: Convert to fraction form
   59,139.55/81,609.72 = 33,643.51/x
3. Step 3: Cross multiply
   59,139.55x = 81,609.72 × 33,643.51
4. Step 4: Simplify right side
   59,139.55x = 2,745,637,430.92
5. Step 5: Solve for x
   x = 2,745,637,430.92/59,139.55
6. Step 6: Final answer
   x = 46,426.42