Finding the Fourth Proportional to 10,648.68, 14,680.84 and 7,457.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,648.68 : 14,680.84 = 7,457.68 : x
2. Step 2: Convert to fraction form
   10,648.68/14,680.84 = 7,457.68/x
3. Step 3: Cross multiply
   10,648.68x = 14,680.84 × 7,457.68
4. Step 4: Simplify right side
   10,648.68x = 109,485,006.85
5. Step 5: Solve for x
   x = 109,485,006.85/10,648.68
6. Step 6: Final answer
   x = 10,281.56