Finding the Fourth Proportional to 23,408.64, 32,304.32 and 12,798.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,408.64 : 32,304.32 = 12,798.72 : x
2. Step 2: Convert to fraction form
   23,408.64/32,304.32 = 12,798.72/x
3. Step 3: Cross multiply
   23,408.64x = 32,304.32 × 12,798.72
4. Step 4: Simplify right side
   23,408.64x = 413,453,946.47
5. Step 5: Solve for x
   x = 413,453,946.47/23,408.64
6. Step 6: Final answer
   x = 17,662.45