Finding the Fourth Proportional to 1,976.67, 2,962.98 and 1,284.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.67 : 2,962.98 = 1,284.73 : x
2. Step 2: Convert to fraction form
   1,976.67/2,962.98 = 1,284.73/x
3. Step 3: Cross multiply
   1,976.67x = 2,962.98 × 1,284.73
4. Step 4: Simplify right side
   1,976.67x = 3,806,621.89
5. Step 5: Solve for x
   x = 3,806,621.89/1,976.67
6. Step 6: Final answer
   x = 1,925.78