Finding the Fourth Proportional to 10,535.29, 15,798.17 and 5,603.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,535.29 : 15,798.17 = 5,603.87 : x
2. Step 2: Convert to fraction form
   10,535.29/15,798.17 = 5,603.87/x
3. Step 3: Cross multiply
   10,535.29x = 15,798.17 × 5,603.87
4. Step 4: Simplify right side
   10,535.29x = 88,530,944.42
5. Step 5: Solve for x
   x = 88,530,944.42/10,535.29
6. Step 6: Final answer
   x = 8,403.28