Finding the Fourth Proportional to 2,767.48, 4,150.32 and 918.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.48 : 4,150.32 = 918.10 : x
2. Step 2: Convert to fraction form
   2,767.48/4,150.32 = 918.10/x
3. Step 3: Cross multiply
   2,767.48x = 4,150.32 × 918.10
4. Step 4: Simplify right side
   2,767.48x = 3,810,415.70
5. Step 5: Solve for x
   x = 3,810,415.70/2,767.48
6. Step 6: Final answer
   x = 1,376.85