Finding the Fourth Proportional to 32,598.72, 45,008.64 and 22,003.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,598.72 : 45,008.64 = 22,003.20 : x
2. Step 2: Convert to fraction form
   32,598.72/45,008.64 = 22,003.20/x
3. Step 3: Cross multiply
   32,598.72x = 45,008.64 × 22,003.20
4. Step 4: Simplify right side
   32,598.72x = 990,334,107.65
5. Step 5: Solve for x
   x = 990,334,107.65/32,598.72
6. Step 6: Final answer
   x = 30,379.54