Finding the Fourth Proportional to 1,092.59, 1,507.69 and 650.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.59 : 1,507.69 = 650.65 : x
2. Step 2: Convert to fraction form
   1,092.59/1,507.69 = 650.65/x
3. Step 3: Cross multiply
   1,092.59x = 1,507.69 × 650.65
4. Step 4: Simplify right side
   1,092.59x = 980,978.50
5. Step 5: Solve for x
   x = 980,978.50/1,092.59
6. Step 6: Final answer
   x = 897.85