Finding the Fourth Proportional to 1,516.28, 2,092.56 and 886.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.28 : 2,092.56 = 886.82 : x
2. Step 2: Convert to fraction form
   1,516.28/2,092.56 = 886.82/x
3. Step 3: Cross multiply
   1,516.28x = 2,092.56 × 886.82
4. Step 4: Simplify right side
   1,516.28x = 1,855,724.06
5. Step 5: Solve for x
   x = 1,855,724.06/1,516.28
6. Step 6: Final answer
   x = 1,223.87