Finding the Fourth Proportional to 10,312.31, 14,231.30 and 5,596.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,312.31 : 14,231.30 = 5,596.90 : x
2. Step 2: Convert to fraction form
   10,312.31/14,231.30 = 5,596.90/x
3. Step 3: Cross multiply
   10,312.31x = 14,231.30 × 5,596.90
4. Step 4: Simplify right side
   10,312.31x = 79,651,099.41
5. Step 5: Solve for x
   x = 79,651,099.41/10,312.31
6. Step 6: Final answer
   x = 7,723.88