Finding the Fourth Proportional to 59,012.88, 82,003.41 and 58,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   59,012.88 : 82,003.41 = 58,406.04 : x
2. Step 2: Convert to fraction form
   59,012.88/82,003.41 = 58,406.04/x
3. Step 3: Cross multiply
   59,012.88x = 82,003.41 × 58,406.04
4. Step 4: Simplify right side
   59,012.88x = 4,789,494,444.60
5. Step 5: Solve for x
   x = 4,789,494,444.60/59,012.88
6. Step 6: Final answer
   x = 81,160.15