Finding the Fourth Proportional to 10,315.53, 14,235.45 and 5,599.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.53 : 14,235.45 = 5,599.71 : x
2. Step 2: Convert to fraction form
   10,315.53/14,235.45 = 5,599.71/x
3. Step 3: Cross multiply
   10,315.53x = 14,235.45 × 5,599.71
4. Step 4: Simplify right side
   10,315.53x = 79,714,391.72
5. Step 5: Solve for x
   x = 79,714,391.72/10,315.53
6. Step 6: Final answer
   x = 7,727.61