Finding the Fourth Proportional to 10,608.57, 14,635.55 and 6,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,608.57 : 14,635.55 = 6,131.50 : x
2. Step 2: Convert to fraction form
   10,608.57/14,635.55 = 6,131.50/x
3. Step 3: Cross multiply
   10,608.57x = 14,635.55 × 6,131.50
4. Step 4: Simplify right side
   10,608.57x = 89,737,853.56
5. Step 5: Solve for x
   x = 89,737,853.56/10,608.57
6. Step 6: Final answer
   x = 8,459.00