Finding the Fourth Proportional to 1,092.55, 1,507.89 and 650.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.55 : 1,507.89 = 650.56 : x
2. Step 2: Convert to fraction form
   1,092.55/1,507.89 = 650.56/x
3. Step 3: Cross multiply
   1,092.55x = 1,507.89 × 650.56
4. Step 4: Simplify right side
   1,092.55x = 980,972.92
5. Step 5: Solve for x
   x = 980,972.92/1,092.55
6. Step 6: Final answer
   x = 897.87