Finding the Fourth Proportional to 17,579.32, 24,259.43 and 9,621.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,579.32 : 24,259.43 = 9,621.54 : x
2. Step 2: Convert to fraction form
   17,579.32/24,259.43 = 9,621.54/x
3. Step 3: Cross multiply
   17,579.32x = 24,259.43 × 9,621.54
4. Step 4: Simplify right side
   17,579.32x = 233,413,100.18
5. Step 5: Solve for x
   x = 233,413,100.18/17,579.32
6. Step 6: Final answer
   x = 13,277.71