Finding the Fourth Proportional to 2,156.74, 3,227.82 and 2,108.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.74 : 3,227.82 = 2,108.14 : x
2. Step 2: Convert to fraction form
   2,156.74/3,227.82 = 2,108.14/x
3. Step 3: Cross multiply
   2,156.74x = 3,227.82 × 2,108.14
4. Step 4: Simplify right side
   2,156.74x = 6,804,696.45
5. Step 5: Solve for x
   x = 6,804,696.45/2,156.74
6. Step 6: Final answer
   x = 3,155.08