Finding the Fourth Proportional to 10,707.55, 14,775.37 and 6,231.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.55 : 14,775.37 = 6,231.89 : x
2. Step 2: Convert to fraction form
   10,707.55/14,775.37 = 6,231.89/x
3. Step 3: Cross multiply
   10,707.55x = 14,775.37 × 6,231.89
4. Step 4: Simplify right side
   10,707.55x = 92,078,501.91
5. Step 5: Solve for x
   x = 92,078,501.91/10,707.55
6. Step 6: Final answer
   x = 8,599.40