Finding the Fourth Proportional to 12,401.25, 17,113.73 and 6,812.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.25 : 17,113.73 = 6,812.61 : x
2. Step 2: Convert to fraction form
   12,401.25/17,113.73 = 6,812.61/x
3. Step 3: Cross multiply
   12,401.25x = 17,113.73 × 6,812.61
4. Step 4: Simplify right side
   12,401.25x = 116,589,168.14
5. Step 5: Solve for x
   x = 116,589,168.14/12,401.25
6. Step 6: Final answer
   x = 9,401.40