Finding the Fourth Proportional to 12,812.24, 17,671.56 and 9,794.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,812.24 : 17,671.56 = 9,794.18 : x
2. Step 2: Convert to fraction form
   12,812.24/17,671.56 = 9,794.18/x
3. Step 3: Cross multiply
   12,812.24x = 17,671.56 × 9,794.18
4. Step 4: Simplify right side
   12,812.24x = 173,078,439.52
5. Step 5: Solve for x
   x = 173,078,439.52/12,812.24
6. Step 6: Final answer
   x = 13,508.84