Finding the Fourth Proportional to 1,787.10, 2,466.81 and 1,079.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787.10 : 2,466.81 = 1,079.34 : x
2. Step 2: Convert to fraction form
   1,787.10/2,466.81 = 1,079.34/x
3. Step 3: Cross multiply
   1,787.10x = 2,466.81 × 1,079.34
4. Step 4: Simplify right side
   1,787.10x = 2,662,526.71
5. Step 5: Solve for x
   x = 2,662,526.71/1,787.10
6. Step 6: Final answer
   x = 1,489.86