Finding the Fourth Proportional to 2,605.82, 3,908.62 and 1,045.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.82 : 3,908.62 = 1,045.35 : x
2. Step 2: Convert to fraction form
   2,605.82/3,908.62 = 1,045.35/x
3. Step 3: Cross multiply
   2,605.82x = 3,908.62 × 1,045.35
4. Step 4: Simplify right side
   2,605.82x = 4,085,877.22
5. Step 5: Solve for x
   x = 4,085,877.22/2,605.82
6. Step 6: Final answer
   x = 1,567.98