Finding the Fourth Proportional to 1,843.40, 2,766.72 and 747.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.40 : 2,766.72 = 747.74 : x
2. Step 2: Convert to fraction form
   1,843.40/2,766.72 = 747.74/x
3. Step 3: Cross multiply
   1,843.40x = 2,766.72 × 747.74
4. Step 4: Simplify right side
   1,843.40x = 2,068,787.21
5. Step 5: Solve for x
   x = 2,068,787.21/1,843.40
6. Step 6: Final answer
   x = 1,122.27