Finding the Fourth Proportional to 2,737.52, 4,106.88 and 789.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,737.52 : 4,106.88 = 789.72 : x
2. Step 2: Convert to fraction form
   2,737.52/4,106.88 = 789.72/x
3. Step 3: Cross multiply
   2,737.52x = 4,106.88 × 789.72
4. Step 4: Simplify right side
   2,737.52x = 3,243,288.24
5. Step 5: Solve for x
   x = 3,243,288.24/2,737.52
6. Step 6: Final answer
   x = 1,184.75