Finding the Fourth Proportional to 10,315.46, 14,235.28 and 5,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.46 : 14,235.28 = 5,599.72 : x
2. Step 2: Convert to fraction form
   10,315.46/14,235.28 = 5,599.72/x
3. Step 3: Cross multiply
   10,315.46x = 14,235.28 × 5,599.72
4. Step 4: Simplify right side
   10,315.46x = 79,713,582.12
5. Step 5: Solve for x
   x = 79,713,582.12/10,315.46
6. Step 6: Final answer
   x = 7,727.58