Finding the Fourth Proportional to 59,942.72, 82,720.54 and 33,085.21

Step by Step Solution

1. Step 1: Write the proportion equation
   59,942.72 : 82,720.54 = 33,085.21 : x
2. Step 2: Convert to fraction form
   59,942.72/82,720.54 = 33,085.21/x
3. Step 3: Cross multiply
   59,942.72x = 82,720.54 × 33,085.21
4. Step 4: Simplify right side
   59,942.72x = 2,736,826,426.87
5. Step 5: Solve for x
   x = 2,736,826,426.87/59,942.72
6. Step 6: Final answer
   x = 45,657.36