Finding the Fourth Proportional to 2,691.94, 4,038.52 and 744.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.94 : 4,038.52 = 744.30 : x
2. Step 2: Convert to fraction form
   2,691.94/4,038.52 = 744.30/x
3. Step 3: Cross multiply
   2,691.94x = 4,038.52 × 744.30
4. Step 4: Simplify right side
   2,691.94x = 3,005,870.44
5. Step 5: Solve for x
   x = 3,005,870.44/2,691.94
6. Step 6: Final answer
   x = 1,116.62