Finding the Fourth Proportional to 10,315.57, 14,235.78 and 5,600.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.57 : 14,235.78 = 5,600.16 : x
2. Step 2: Convert to fraction form
   10,315.57/14,235.78 = 5,600.16/x
3. Step 3: Cross multiply
   10,315.57x = 14,235.78 × 5,600.16
4. Step 4: Simplify right side
   10,315.57x = 79,722,645.72
5. Step 5: Solve for x
   x = 79,722,645.72/10,315.57
6. Step 6: Final answer
   x = 7,728.38