Finding the Fourth Proportional to 1,348.11, 1,855.72 and 1,162.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.11 : 1,855.72 = 1,162.22 : x
2. Step 2: Convert to fraction form
   1,348.11/1,855.72 = 1,162.22/x
3. Step 3: Cross multiply
   1,348.11x = 1,855.72 × 1,162.22
4. Step 4: Simplify right side
   1,348.11x = 2,156,747.35
5. Step 5: Solve for x
   x = 2,156,747.35/1,348.11
6. Step 6: Final answer
   x = 1,599.83