Finding the Fourth Proportional to 1,092.62, 1,508.56 and 1,022.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.62 : 1,508.56 = 1,022.91 : x
2. Step 2: Convert to fraction form
   1,092.62/1,508.56 = 1,022.91/x
3. Step 3: Cross multiply
   1,092.62x = 1,508.56 × 1,022.91
4. Step 4: Simplify right side
   1,092.62x = 1,543,113.57
5. Step 5: Solve for x
   x = 1,543,113.57/1,092.62
6. Step 6: Final answer
   x = 1,412.31