Finding the Fourth Proportional to 17,691.53, 24,449.34 and 14,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,691.53 : 24,449.34 = 14,499.80 : x
2. Step 2: Convert to fraction form
   17,691.53/24,449.34 = 14,499.80/x
3. Step 3: Cross multiply
   17,691.53x = 24,449.34 × 14,499.80
4. Step 4: Simplify right side
   17,691.53x = 354,510,417.89
5. Step 5: Solve for x
   x = 354,510,417.89/17,691.53
6. Step 6: Final answer
   x = 20,038.42