Finding the Fourth Proportional to 12,452.01, 17,186.33 and 7,419.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,452.01 : 17,186.33 = 7,419.18 : x
2. Step 2: Convert to fraction form
   12,452.01/17,186.33 = 7,419.18/x
3. Step 3: Cross multiply
   12,452.01x = 17,186.33 × 7,419.18
4. Step 4: Simplify right side
   12,452.01x = 127,508,438.71
5. Step 5: Solve for x
   x = 127,508,438.71/12,452.01
6. Step 6: Final answer
   x = 10,239.99