Finding the Fourth Proportional to 17,853.50, 24,603.85 and 13,074.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,853.50 : 24,603.85 = 13,074.91 : x
2. Step 2: Convert to fraction form
   17,853.50/24,603.85 = 13,074.91/x
3. Step 3: Cross multiply
   17,853.50x = 24,603.85 × 13,074.91
4. Step 4: Simplify right side
   17,853.50x = 321,693,124.40
5. Step 5: Solve for x
   x = 321,693,124.40/17,853.50
6. Step 6: Final answer
   x = 18,018.49