Finding the Fourth Proportional to 2,537.78, 3,808.59 and 2,045.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,537.78 : 3,808.59 = 2,045.39 : x
2. Step 2: Convert to fraction form
   2,537.78/3,808.59 = 2,045.39/x
3. Step 3: Cross multiply
   2,537.78x = 3,808.59 × 2,045.39
4. Step 4: Simplify right side
   2,537.78x = 7,790,032.86
5. Step 5: Solve for x
   x = 7,790,032.86/2,537.78
6. Step 6: Final answer
   x = 3,069.63