Finding the Fourth Proportional to 10,261.89, 14,160.22 and 5,724.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,261.89 : 14,160.22 = 5,724.47 : x
2. Step 2: Convert to fraction form
   10,261.89/14,160.22 = 5,724.47/x
3. Step 3: Cross multiply
   10,261.89x = 14,160.22 × 5,724.47
4. Step 4: Simplify right side
   10,261.89x = 81,059,775.67
5. Step 5: Solve for x
   x = 81,059,775.67/10,261.89
6. Step 6: Final answer
   x = 7,899.11