Finding the Fourth Proportional to 1,787.97, 2,466.56 and 1,158.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787.97 : 2,466.56 = 1,158.71 : x
2. Step 2: Convert to fraction form
   1,787.97/2,466.56 = 1,158.71/x
3. Step 3: Cross multiply
   1,787.97x = 2,466.56 × 1,158.71
4. Step 4: Simplify right side
   1,787.97x = 2,858,018.30
5. Step 5: Solve for x
   x = 2,858,018.30/1,787.97
6. Step 6: Final answer
   x = 1,598.47