Finding the Fourth Proportional to 1,092.80, 1,507.82 and 650.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.80 : 1,507.82 = 650.62 : x
2. Step 2: Convert to fraction form
   1,092.80/1,507.82 = 650.62/x
3. Step 3: Cross multiply
   1,092.80x = 1,507.82 × 650.62
4. Step 4: Simplify right side
   1,092.80x = 981,010.31
5. Step 5: Solve for x
   x = 981,010.31/1,092.80
6. Step 6: Final answer
   x = 897.70