Finding the Fourth Proportional to 2,551.38, 3,525.29 and 2,108.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.38 : 3,525.29 = 2,108.53 : x
2. Step 2: Convert to fraction form
   2,551.38/3,525.29 = 2,108.53/x
3. Step 3: Cross multiply
   2,551.38x = 3,525.29 × 2,108.53
4. Step 4: Simplify right side
   2,551.38x = 7,433,179.72
5. Step 5: Solve for x
   x = 7,433,179.72/2,551.38
6. Step 6: Final answer
   x = 2,913.40