Finding the Fourth Proportional to 1,962.32, 2,708.05 and 1,078.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.32 : 2,708.05 = 1,078.15 : x
2. Step 2: Convert to fraction form
   1,962.32/2,708.05 = 1,078.15/x
3. Step 3: Cross multiply
   1,962.32x = 2,708.05 × 1,078.15
4. Step 4: Simplify right side
   1,962.32x = 2,919,671.91
5. Step 5: Solve for x
   x = 2,919,671.91/1,962.32
6. Step 6: Final answer
   x = 1,487.87