Finding the Fourth Proportional to 1,576.94, 2,176.16 and 868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576.94 : 2,176.16 = 868.82 : x
2. Step 2: Convert to fraction form
   1,576.94/2,176.16 = 868.82/x
3. Step 3: Cross multiply
   1,576.94x = 2,176.16 × 868.82
4. Step 4: Simplify right side
   1,576.94x = 1,890,691.33
5. Step 5: Solve for x
   x = 1,890,691.33/1,576.94
6. Step 6: Final answer
   x = 1,198.96