Finding the Fourth Proportional to 2,787.57, 3,845.75 and 1,843.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.57 : 3,845.75 = 1,843.88 : x
2. Step 2: Convert to fraction form
   2,787.57/3,845.75 = 1,843.88/x
3. Step 3: Cross multiply
   2,787.57x = 3,845.75 × 1,843.88
4. Step 4: Simplify right side
   2,787.57x = 7,091,073.06
5. Step 5: Solve for x
   x = 7,091,073.06/2,787.57
6. Step 6: Final answer
   x = 2,543.82