Finding the Fourth Proportional to 2,377.78, 3,567.27 and 916.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.78 : 3,567.27 = 916.54 : x
2. Step 2: Convert to fraction form
   2,377.78/3,567.27 = 916.54/x
3. Step 3: Cross multiply
   2,377.78x = 3,567.27 × 916.54
4. Step 4: Simplify right side
   2,377.78x = 3,269,527.81
5. Step 5: Solve for x
   x = 3,269,527.81/2,377.78
6. Step 6: Final answer
   x = 1,375.04