Finding the Fourth Proportional to 17,594, 24,279.81 and 13,121.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,594 : 24,279.81 = 13,121.72 : x
2. Step 2: Convert to fraction form
   17,594/24,279.81 = 13,121.72/x
3. Step 3: Cross multiply
   17,594x = 24,279.81 × 13,121.72
4. Step 4: Simplify right side
   17,594x = 318,592,868.47
5. Step 5: Solve for x
   x = 318,592,868.47/17,594
6. Step 6: Final answer
   x = 18,108.04