Finding the Fourth Proportional to 12,616.91, 17,411.38 and 7,314.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,616.91 : 17,411.38 = 7,314.85 : x
2. Step 2: Convert to fraction form
   12,616.91/17,411.38 = 7,314.85/x
3. Step 3: Cross multiply
   12,616.91x = 17,411.38 × 7,314.85
4. Step 4: Simplify right side
   12,616.91x = 127,361,571.18
5. Step 5: Solve for x
   x = 127,361,571.18/12,616.91
6. Step 6: Final answer
   x = 10,094.52