Finding the Fourth Proportional to 1,962.80, 2,708.73 and 1,176.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.80 : 2,708.73 = 1,176.69 : x
2. Step 2: Convert to fraction form
   1,962.80/2,708.73 = 1,176.69/x
3. Step 3: Cross multiply
   1,962.80x = 2,708.73 × 1,176.69
4. Step 4: Simplify right side
   1,962.80x = 3,187,335.50
5. Step 5: Solve for x
   x = 3,187,335.50/1,962.80
6. Step 6: Final answer
   x = 1,623.88