Finding the Fourth Proportional to 23,499.44, 32,428.64 and 12,743.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,499.44 : 32,428.64 = 12,743.72 : x
2. Step 2: Convert to fraction form
   23,499.44/32,428.64 = 12,743.72/x
3. Step 3: Cross multiply
   23,499.44x = 32,428.64 × 12,743.72
4. Step 4: Simplify right side
   23,499.44x = 413,261,377.86
5. Step 5: Solve for x
   x = 413,261,377.86/23,499.44
6. Step 6: Final answer
   x = 17,586.01