Finding the Fourth Proportional to 23,032.86, 34,493.92 and 13,142.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,032.86 : 34,493.92 = 13,142.15 : x
2. Step 2: Convert to fraction form
   23,032.86/34,493.92 = 13,142.15/x
3. Step 3: Cross multiply
   23,032.86x = 34,493.92 × 13,142.15
4. Step 4: Simplify right side
   23,032.86x = 453,324,270.73
5. Step 5: Solve for x
   x = 453,324,270.73/23,032.86
6. Step 6: Final answer
   x = 19,681.63