Finding the Fourth Proportional to 1,742.34, 2,404.89 and 1,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.34 : 2,404.89 = 1,078.82 : x
2. Step 2: Convert to fraction form
   1,742.34/2,404.89 = 1,078.82/x
3. Step 3: Cross multiply
   1,742.34x = 2,404.89 × 1,078.82
4. Step 4: Simplify right side
   1,742.34x = 2,594,443.43
5. Step 5: Solve for x
   x = 2,594,443.43/1,742.34
6. Step 6: Final answer
   x = 1,489.06