Finding the Fourth Proportional to 12,449.99, 17,177.33 and 7,411.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,449.99 : 17,177.33 = 7,411.69 : x
2. Step 2: Convert to fraction form
   12,449.99/17,177.33 = 7,411.69/x
3. Step 3: Cross multiply
   12,449.99x = 17,177.33 × 7,411.69
4. Step 4: Simplify right side
   12,449.99x = 127,312,922.04
5. Step 5: Solve for x
   x = 127,312,922.04/12,449.99
6. Step 6: Final answer
   x = 10,225.95