Finding the Fourth Proportional to 12,612.18, 17,404.65 and 6,946.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,612.18 : 17,404.65 = 6,946.82 : x
2. Step 2: Convert to fraction form
   12,612.18/17,404.65 = 6,946.82/x
3. Step 3: Cross multiply
   12,612.18x = 17,404.65 × 6,946.82
4. Step 4: Simplify right side
   12,612.18x = 120,906,883.69
5. Step 5: Solve for x
   x = 120,906,883.69/12,612.18
6. Step 6: Final answer
   x = 9,586.52