Finding the Fourth Proportional to 10,356.24, 15,534.42 and 7,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.24 : 15,534.42 = 7,061.16 : x
2. Step 2: Convert to fraction form
   10,356.24/15,534.42 = 7,061.16/x
3. Step 3: Cross multiply
   10,356.24x = 15,534.42 × 7,061.16
4. Step 4: Simplify right side
   10,356.24x = 109,691,025.13
5. Step 5: Solve for x
   x = 109,691,025.13/10,356.24
6. Step 6: Final answer
   x = 10,591.78