Finding the Fourth Proportional to 12,417.30, 17,134.20 and 7,379.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,417.30 : 17,134.20 = 7,379.69 : x
2. Step 2: Convert to fraction form
   12,417.30/17,134.20 = 7,379.69/x
3. Step 3: Cross multiply
   12,417.30x = 17,134.20 × 7,379.69
4. Step 4: Simplify right side
   12,417.30x = 126,444,998.73
5. Step 5: Solve for x
   x = 126,444,998.73/12,417.30
6. Step 6: Final answer
   x = 10,182.97