Finding the Fourth Proportional to 10,312.61, 14,231.31 and 5,596.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,312.61 : 14,231.31 = 5,596.89 : x
2. Step 2: Convert to fraction form
   10,312.61/14,231.31 = 5,596.89/x
3. Step 3: Cross multiply
   10,312.61x = 14,231.31 × 5,596.89
4. Step 4: Simplify right side
   10,312.61x = 79,651,033.75
5. Step 5: Solve for x
   x = 79,651,033.75/10,312.61
6. Step 6: Final answer
   x = 7,723.66