Finding the Fourth Proportional to 2,243.08, 3,366.12 and 1,686.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.08 : 3,366.12 = 1,686.61 : x
2. Step 2: Convert to fraction form
   2,243.08/3,366.12 = 1,686.61/x
3. Step 3: Cross multiply
   2,243.08x = 3,366.12 × 1,686.61
4. Step 4: Simplify right side
   2,243.08x = 5,677,314.82
5. Step 5: Solve for x
   x = 5,677,314.82/2,243.08
6. Step 6: Final answer
   x = 2,531.04