Finding the Fourth Proportional to 2,257.46, 3,108.83 and 2,116.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.46 : 3,108.83 = 2,116.82 : x
2. Step 2: Convert to fraction form
   2,257.46/3,108.83 = 2,116.82/x
3. Step 3: Cross multiply
   2,257.46x = 3,108.83 × 2,116.82
4. Step 4: Simplify right side
   2,257.46x = 6,580,807.39
5. Step 5: Solve for x
   x = 6,580,807.39/2,257.46
6. Step 6: Final answer
   x = 2,915.14