Finding the Fourth Proportional to 17,579.79, 24,259.18 and 9,620.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,579.79 : 24,259.18 = 9,620.48 : x
2. Step 2: Convert to fraction form
   17,579.79/24,259.18 = 9,620.48/x
3. Step 3: Cross multiply
   17,579.79x = 24,259.18 × 9,620.48
4. Step 4: Simplify right side
   17,579.79x = 233,384,786.61
5. Step 5: Solve for x
   x = 233,384,786.61/17,579.79
6. Step 6: Final answer
   x = 13,275.74