Finding the Fourth Proportional to 10,404.88, 15,607.33 and 5,724.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.88 : 15,607.33 = 5,724.70 : x
2. Step 2: Convert to fraction form
   10,404.88/15,607.33 = 5,724.70/x
3. Step 3: Cross multiply
   10,404.88x = 15,607.33 × 5,724.70
4. Step 4: Simplify right side
   10,404.88x = 89,347,282.05
5. Step 5: Solve for x
   x = 89,347,282.05/10,404.88
6. Step 6: Final answer
   x = 8,587.06