Finding the Fourth Proportional to 59,079.24, 88,272.92 and 57,012.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,079.24 : 88,272.92 = 57,012.12 : x
2. Step 2: Convert to fraction form
   59,079.24/88,272.92 = 57,012.12/x
3. Step 3: Cross multiply
   59,079.24x = 88,272.92 × 57,012.12
4. Step 4: Simplify right side
   59,079.24x = 5,032,626,450.32
5. Step 5: Solve for x
   x = 5,032,626,450.32/59,079.24
6. Step 6: Final answer
   x = 85,184.35