Finding the Fourth Proportional to 12,659.42, 17,471.48 and 7,626.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,659.42 : 17,471.48 = 7,626.18 : x
2. Step 2: Convert to fraction form
   12,659.42/17,471.48 = 7,626.18/x
3. Step 3: Cross multiply
   12,659.42x = 17,471.48 × 7,626.18
4. Step 4: Simplify right side
   12,659.42x = 133,240,651.35
5. Step 5: Solve for x
   x = 133,240,651.35/12,659.42
6. Step 6: Final answer
   x = 10,525.02