Finding the Fourth Proportional to 23,549.76, 32,498.69 and 12,940.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,549.76 : 32,498.69 = 12,940.18 : x
2. Step 2: Convert to fraction form
   23,549.76/32,498.69 = 12,940.18/x
3. Step 3: Cross multiply
   23,549.76x = 32,498.69 × 12,940.18
4. Step 4: Simplify right side
   23,549.76x = 420,538,752.42
5. Step 5: Solve for x
   x = 420,538,752.42/23,549.76
6. Step 6: Final answer
   x = 17,857.45