Finding the Fourth Proportional to 2,499.54, 3,748.73 and 744.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.54 : 3,748.73 = 744.38 : x
2. Step 2: Convert to fraction form
   2,499.54/3,748.73 = 744.38/x
3. Step 3: Cross multiply
   2,499.54x = 3,748.73 × 744.38
4. Step 4: Simplify right side
   2,499.54x = 2,790,494.60
5. Step 5: Solve for x
   x = 2,790,494.60/2,499.54
6. Step 6: Final answer
   x = 1,116.40