Finding the Fourth Proportional to 1,610.91, 2,223.33 and 1,348.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.91 : 2,223.33 = 1,348.83 : x
2. Step 2: Convert to fraction form
   1,610.91/2,223.33 = 1,348.83/x
3. Step 3: Cross multiply
   1,610.91x = 2,223.33 × 1,348.83
4. Step 4: Simplify right side
   1,610.91x = 2,998,894.20
5. Step 5: Solve for x
   x = 2,998,894.20/1,610.91
6. Step 6: Final answer
   x = 1,861.61