Finding the Fourth Proportional to 17,824.48, 24,593.76 and 13,574.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,824.48 : 24,593.76 = 13,574.56 : x
2. Step 2: Convert to fraction form
   17,824.48/24,593.76 = 13,574.56/x
3. Step 3: Cross multiply
   17,824.48x = 24,593.76 × 13,574.56
4. Step 4: Simplify right side
   17,824.48x = 333,849,470.75
5. Step 5: Solve for x
   x = 333,849,470.75/17,824.48
6. Step 6: Final answer
   x = 18,729.83