Finding the Fourth Proportional to 12,401.50, 17,114.13 and 6,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.50 : 17,114.13 = 6,812.50 : x
2. Step 2: Convert to fraction form
   12,401.50/17,114.13 = 6,812.50/x
3. Step 3: Cross multiply
   12,401.50x = 17,114.13 × 6,812.50
4. Step 4: Simplify right side
   12,401.50x = 116,590,010.63
5. Step 5: Solve for x
   x = 116,590,010.63/12,401.50
6. Step 6: Final answer
   x = 9,401.28