Finding the Fourth Proportional to 32,640, 45,043.22 and 17,736

Step by Step Solution

1. Step 1: Write the proportion equation
   32,640 : 45,043.22 = 17,736 : x
2. Step 2: Convert to fraction form
   32,640/45,043.22 = 17,736/x
3. Step 3: Cross multiply
   32,640x = 45,043.22 × 17,736
4. Step 4: Simplify right side
   32,640x = 798,886,549.92
5. Step 5: Solve for x
   x = 798,886,549.92/32,640
6. Step 6: Final answer
   x = 24,475.69