Finding the Fourth Proportional to 12,741.24, 17,586.54 and 7,438.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,741.24 : 17,586.54 = 7,438.98 : x
2. Step 2: Convert to fraction form
   12,741.24/17,586.54 = 7,438.98/x
3. Step 3: Cross multiply
   12,741.24x = 17,586.54 × 7,438.98
4. Step 4: Simplify right side
   12,741.24x = 130,825,919.33
5. Step 5: Solve for x
   x = 130,825,919.33/12,741.24
6. Step 6: Final answer
   x = 10,267.91