Finding the Fourth Proportional to 10,315.31, 14,235.30 and 5,599.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.31 : 14,235.30 = 5,599.60 : x
2. Step 2: Convert to fraction form
   10,315.31/14,235.30 = 5,599.60/x
3. Step 3: Cross multiply
   10,315.31x = 14,235.30 × 5,599.60
4. Step 4: Simplify right side
   10,315.31x = 79,711,950.29
5. Step 5: Solve for x
   x = 79,711,950.29/10,315.31
6. Step 6: Final answer
   x = 7,727.54