Finding the Fourth Proportional to 17,590.50, 24,274.98 and 13,118.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,590.50 : 24,274.98 = 13,118.22 : x
2. Step 2: Convert to fraction form
   17,590.50/24,274.98 = 13,118.22/x
3. Step 3: Cross multiply
   17,590.50x = 24,274.98 × 13,118.22
4. Step 4: Simplify right side
   17,590.50x = 318,444,528.14
5. Step 5: Solve for x
   x = 318,444,528.14/17,590.50
6. Step 6: Final answer
   x = 18,103.21