Finding the Fourth Proportional to 2,506.63, 3,758.77 and 1,045.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.63 : 3,758.77 = 1,045.39 : x
2. Step 2: Convert to fraction form
   2,506.63/3,758.77 = 1,045.39/x
3. Step 3: Cross multiply
   2,506.63x = 3,758.77 × 1,045.39
4. Step 4: Simplify right side
   2,506.63x = 3,929,380.57
5. Step 5: Solve for x
   x = 3,929,380.57/2,506.63
6. Step 6: Final answer
   x = 1,567.59