Finding the Fourth Proportional to 10,499.52, 15,738.48 and 7,201.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.52 : 15,738.48 = 7,201.92 : x
2. Step 2: Convert to fraction form
   10,499.52/15,738.48 = 7,201.92/x
3. Step 3: Cross multiply
   10,499.52x = 15,738.48 × 7,201.92
4. Step 4: Simplify right side
   10,499.52x = 113,347,273.88
5. Step 5: Solve for x
   x = 113,347,273.88/10,499.52
6. Step 6: Final answer
   x = 10,795.47