Finding the Fourth Proportional to 12,417.57, 18,631.62 and 5,843.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,417.57 : 18,631.62 = 5,843.61 : x
2. Step 2: Convert to fraction form
   12,417.57/18,631.62 = 5,843.61/x
3. Step 3: Cross multiply
   12,417.57x = 18,631.62 × 5,843.61
4. Step 4: Simplify right side
   12,417.57x = 108,875,920.95
5. Step 5: Solve for x
   x = 108,875,920.95/12,417.57
6. Step 6: Final answer
   x = 8,767.89