Finding the Fourth Proportional to 10,315.87, 14,235.89 and 5,600.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.87 : 14,235.89 = 5,600.15 : x
2. Step 2: Convert to fraction form
   10,315.87/14,235.89 = 5,600.15/x
3. Step 3: Cross multiply
   10,315.87x = 14,235.89 × 5,600.15
4. Step 4: Simplify right side
   10,315.87x = 79,723,126.97
5. Step 5: Solve for x
   x = 79,723,126.97/10,315.87
6. Step 6: Final answer
   x = 7,728.20