Finding the Fourth Proportional to 23,401.76, 32,294.45 and 12,791.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,401.76 : 32,294.45 = 12,791.40 : x
2. Step 2: Convert to fraction form
   23,401.76/32,294.45 = 12,791.40/x
3. Step 3: Cross multiply
   23,401.76x = 32,294.45 × 12,791.40
4. Step 4: Simplify right side
   23,401.76x = 413,091,259.71
5. Step 5: Solve for x
   x = 413,091,259.71/23,401.76
6. Step 6: Final answer
   x = 17,652.14