Finding the Fourth Proportional to 12,469.56, 17,208.32 and 7,434.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,469.56 : 17,208.32 = 7,434.18 : x
2. Step 2: Convert to fraction form
   12,469.56/17,208.32 = 7,434.18/x
3. Step 3: Cross multiply
   12,469.56x = 17,208.32 × 7,434.18
4. Step 4: Simplify right side
   12,469.56x = 127,929,748.38
5. Step 5: Solve for x
   x = 127,929,748.38/12,469.56
6. Step 6: Final answer
   x = 10,259.36