Finding the Fourth Proportional to 22,009.60, 32,979.72 and 17,024.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,009.60 : 32,979.72 = 17,024.16 : x
2. Step 2: Convert to fraction form
   22,009.60/32,979.72 = 17,024.16/x
3. Step 3: Cross multiply
   22,009.60x = 32,979.72 × 17,024.16
4. Step 4: Simplify right side
   22,009.60x = 561,452,030.04
5. Step 5: Solve for x
   x = 561,452,030.04/22,009.60
6. Step 6: Final answer
   x = 25,509.42