Finding the Fourth Proportional to 2,499, 3,747.42 and 1,265.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499 : 3,747.42 = 1,265.79 : x
2. Step 2: Convert to fraction form
   2,499/3,747.42 = 1,265.79/x
3. Step 3: Cross multiply
   2,499x = 3,747.42 × 1,265.79
4. Step 4: Simplify right side
   2,499x = 4,743,446.76
5. Step 5: Solve for x
   x = 4,743,446.76/2,499
6. Step 6: Final answer
   x = 1,898.14