Finding the Fourth Proportional to 1,842.62, 2,766.33 and 1,147.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.62 : 2,766.33 = 1,147.10 : x
2. Step 2: Convert to fraction form
   1,842.62/2,766.33 = 1,147.10/x
3. Step 3: Cross multiply
   1,842.62x = 2,766.33 × 1,147.10
4. Step 4: Simplify right side
   1,842.62x = 3,173,243.31
5. Step 5: Solve for x
   x = 3,173,243.31/1,842.62
6. Step 6: Final answer
   x = 1,722.14