Finding the Fourth Proportional to 2,162.89, 2,984.59 and 1,266.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.89 : 2,984.59 = 1,266.74 : x
2. Step 2: Convert to fraction form
   2,162.89/2,984.59 = 1,266.74/x
3. Step 3: Cross multiply
   2,162.89x = 2,984.59 × 1,266.74
4. Step 4: Simplify right side
   2,162.89x = 3,780,699.54
5. Step 5: Solve for x
   x = 3,780,699.54/2,162.89
6. Step 6: Final answer
   x = 1,747.99