Finding the Fourth Proportional to 17,751.64, 24,479.76 and 13,771.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,751.64 : 24,479.76 = 13,771.30 : x
2. Step 2: Convert to fraction form
   17,751.64/24,479.76 = 13,771.30/x
3. Step 3: Cross multiply
   17,751.64x = 24,479.76 × 13,771.30
4. Step 4: Simplify right side
   17,751.64x = 337,118,118.89
5. Step 5: Solve for x
   x = 337,118,118.89/17,751.64
6. Step 6: Final answer
   x = 18,990.82