Finding the Fourth Proportional to 13,401.88, 18,494.31 and 8,296.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.88 : 18,494.31 = 8,296.04 : x
2. Step 2: Convert to fraction form
   13,401.88/18,494.31 = 8,296.04/x
3. Step 3: Cross multiply
   13,401.88x = 18,494.31 × 8,296.04
4. Step 4: Simplify right side
   13,401.88x = 153,429,443.06
5. Step 5: Solve for x
   x = 153,429,443.06/13,401.88
6. Step 6: Final answer
   x = 11,448.35