Finding the Fourth Proportional to 1,626.89, 2,244.71 and 918.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.89 : 2,244.71 = 918.74 : x
2. Step 2: Convert to fraction form
   1,626.89/2,244.71 = 918.74/x
3. Step 3: Cross multiply
   1,626.89x = 2,244.71 × 918.74
4. Step 4: Simplify right side
   1,626.89x = 2,062,312.77
5. Step 5: Solve for x
   x = 2,062,312.77/1,626.89
6. Step 6: Final answer
   x = 1,267.65