Finding the Fourth Proportional to 2,685.94, 4,029.52 and 738.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.94 : 4,029.52 = 738.30 : x
2. Step 2: Convert to fraction form
   2,685.94/4,029.52 = 738.30/x
3. Step 3: Cross multiply
   2,685.94x = 4,029.52 × 738.30
4. Step 4: Simplify right side
   2,685.94x = 2,974,994.62
5. Step 5: Solve for x
   x = 2,974,994.62/2,685.94
6. Step 6: Final answer
   x = 1,107.62