Finding the Fourth Proportional to 10,225.18, 14,115.50 and 7,708.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,225.18 : 14,115.50 = 7,708.31 : x
2. Step 2: Convert to fraction form
   10,225.18/14,115.50 = 7,708.31/x
3. Step 3: Cross multiply
   10,225.18x = 14,115.50 × 7,708.31
4. Step 4: Simplify right side
   10,225.18x = 108,806,611.26
5. Step 5: Solve for x
   x = 108,806,611.26/10,225.18
6. Step 6: Final answer
   x = 10,641.05