Finding the Fourth Proportional to 59,900.20, 89,461.25 and 56,323.24

Step by Step Solution

1. Step 1: Write the proportion equation
   59,900.20 : 89,461.25 = 56,323.24 : x
2. Step 2: Convert to fraction form
   59,900.20/89,461.25 = 56,323.24/x
3. Step 3: Cross multiply
   59,900.20x = 89,461.25 × 56,323.24
4. Step 4: Simplify right side
   59,900.20x = 5,038,747,454.45
5. Step 5: Solve for x
   x = 5,038,747,454.45/59,900.20
6. Step 6: Final answer
   x = 84,119.04