Finding the Fourth Proportional to 10,560.96, 15,834.24 and 5,356.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,560.96 : 15,834.24 = 5,356.80 : x
2. Step 2: Convert to fraction form
   10,560.96/15,834.24 = 5,356.80/x
3. Step 3: Cross multiply
   10,560.96x = 15,834.24 × 5,356.80
4. Step 4: Simplify right side
   10,560.96x = 84,820,856.83
5. Step 5: Solve for x
   x = 84,820,856.83/10,560.96
6. Step 6: Final answer
   x = 8,031.55