Finding the Fourth Proportional to 7,014.78, 10,522.86 and 2,855.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,014.78 : 10,522.86 = 2,855.16 : x
2. Step 2: Convert to fraction form
   7,014.78/10,522.86 = 2,855.16/x
3. Step 3: Cross multiply
   7,014.78x = 10,522.86 × 2,855.16
4. Step 4: Simplify right side
   7,014.78x = 30,044,448.96
5. Step 5: Solve for x
   x = 30,044,448.96/7,014.78
6. Step 6: Final answer
   x = 4,283.02