Finding the Fourth Proportional to 2,787.94, 3,846.77 and 1,892.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.94 : 3,846.77 = 1,892.37 : x
2. Step 2: Convert to fraction form
   2,787.94/3,846.77 = 1,892.37/x
3. Step 3: Cross multiply
   2,787.94x = 3,846.77 × 1,892.37
4. Step 4: Simplify right side
   2,787.94x = 7,279,512.14
5. Step 5: Solve for x
   x = 7,279,512.14/2,787.94
6. Step 6: Final answer
   x = 2,611.07