Finding the Fourth Proportional to 7,874.89, 10,868.55 and 5,983.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874.89 : 10,868.55 = 5,983.39 : x
2. Step 2: Convert to fraction form
   7,874.89/10,868.55 = 5,983.39/x
3. Step 3: Cross multiply
   7,874.89x = 10,868.55 × 5,983.39
4. Step 4: Simplify right side
   7,874.89x = 65,030,773.38
5. Step 5: Solve for x
   x = 65,030,773.38/7,874.89
6. Step 6: Final answer
   x = 8,257.99