Finding the Fourth Proportional to 17,816.48, 24,582.72 and 13,566.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,816.48 : 24,582.72 = 13,566.56 : x
2. Step 2: Convert to fraction form
   17,816.48/24,582.72 = 13,566.56/x
3. Step 3: Cross multiply
   17,816.48x = 24,582.72 × 13,566.56
4. Step 4: Simplify right side
   17,816.48x = 333,502,945.84
5. Step 5: Solve for x
   x = 333,502,945.84/17,816.48
6. Step 6: Final answer
   x = 18,718.79