Finding the Fourth Proportional to 1,857.31, 2,787.32 and 1,496.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.31 : 2,787.32 = 1,496.46 : x
2. Step 2: Convert to fraction form
   1,857.31/2,787.32 = 1,496.46/x
3. Step 3: Cross multiply
   1,857.31x = 2,787.32 × 1,496.46
4. Step 4: Simplify right side
   1,857.31x = 4,171,112.89
5. Step 5: Solve for x
   x = 4,171,112.89/1,857.31
6. Step 6: Final answer
   x = 2,245.78