Finding the Fourth Proportional to 1,962.50, 2,708.24 and 1,078.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.50 : 2,708.24 = 1,078.34 : x
2. Step 2: Convert to fraction form
   1,962.50/2,708.24 = 1,078.34/x
3. Step 3: Cross multiply
   1,962.50x = 2,708.24 × 1,078.34
4. Step 4: Simplify right side
   1,962.50x = 2,920,384.59
5. Step 5: Solve for x
   x = 2,920,384.59/1,962.50
6. Step 6: Final answer
   x = 1,488.10