Finding the Fourth Proportional to 10,608.42, 14,635.40 and 6,131.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,608.42 : 14,635.40 = 6,131.35 : x
2. Step 2: Convert to fraction form
   10,608.42/14,635.40 = 6,131.35/x
3. Step 3: Cross multiply
   10,608.42x = 14,635.40 × 6,131.35
4. Step 4: Simplify right side
   10,608.42x = 89,734,759.79
5. Step 5: Solve for x
   x = 89,734,759.79/10,608.42
6. Step 6: Final answer
   x = 8,458.82