Finding the Fourth Proportional to 12,139.41, 16,760.75 and 7,426.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,139.41 : 16,760.75 = 7,426.83 : x
2. Step 2: Convert to fraction form
   12,139.41/16,760.75 = 7,426.83/x
3. Step 3: Cross multiply
   12,139.41x = 16,760.75 × 7,426.83
4. Step 4: Simplify right side
   12,139.41x = 124,479,203.79
5. Step 5: Solve for x
   x = 124,479,203.79/12,139.41
6. Step 6: Final answer
   x = 10,254.14