Finding the Fourth Proportional to 17,498.49, 26,218.52 and 12,295.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,498.49 : 26,218.52 = 12,295.05 : x
2. Step 2: Convert to fraction form
   17,498.49/26,218.52 = 12,295.05/x
3. Step 3: Cross multiply
   17,498.49x = 26,218.52 × 12,295.05
4. Step 4: Simplify right side
   17,498.49x = 322,357,952.85
5. Step 5: Solve for x
   x = 322,357,952.85/17,498.49
6. Step 6: Final answer
   x = 18,422.04