Finding the Fourth Proportional to 10,583.16, 15,874.78 and 2,685.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,583.16 : 15,874.78 = 2,685.69 : x
2. Step 2: Convert to fraction form
   10,583.16/15,874.78 = 2,685.69/x
3. Step 3: Cross multiply
   10,583.16x = 15,874.78 × 2,685.69
4. Step 4: Simplify right side
   10,583.16x = 42,634,737.90
5. Step 5: Solve for x
   x = 42,634,737.90/10,583.16
6. Step 6: Final answer
   x = 4,028.55