Finding the Fourth Proportional to 12,440.25, 17,167.86 and 6,851.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,440.25 : 17,167.86 = 6,851.25 : x
2. Step 2: Convert to fraction form
   12,440.25/17,167.86 = 6,851.25/x
3. Step 3: Cross multiply
   12,440.25x = 17,167.86 × 6,851.25
4. Step 4: Simplify right side
   12,440.25x = 117,621,300.83
5. Step 5: Solve for x
   x = 117,621,300.83/12,440.25
6. Step 6: Final answer
   x = 9,454.90