Finding the Fourth Proportional to 1,892.30, 2,843.06 and 1,787.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.30 : 2,843.06 = 1,787.39 : x
2. Step 2: Convert to fraction form
   1,892.30/2,843.06 = 1,787.39/x
3. Step 3: Cross multiply
   1,892.30x = 2,843.06 × 1,787.39
4. Step 4: Simplify right side
   1,892.30x = 5,081,657.01
5. Step 5: Solve for x
   x = 5,081,657.01/1,892.30
6. Step 6: Final answer
   x = 2,685.44