Finding the Fourth Proportional to 2,499.85, 3,747.74 and 1,040.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.85 : 3,747.74 = 1,040.09 : x
2. Step 2: Convert to fraction form
   2,499.85/3,747.74 = 1,040.09/x
3. Step 3: Cross multiply
   2,499.85x = 3,747.74 × 1,040.09
4. Step 4: Simplify right side
   2,499.85x = 3,897,992.81
5. Step 5: Solve for x
   x = 3,897,992.81/2,499.85
6. Step 6: Final answer
   x = 1,559.29