Finding the Fourth Proportional to 7,013.72, 10,522.86 and 4,683.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013.72 : 10,522.86 = 4,683.20 : x
2. Step 2: Convert to fraction form
   7,013.72/10,522.86 = 4,683.20/x
3. Step 3: Cross multiply
   7,013.72x = 10,522.86 × 4,683.20
4. Step 4: Simplify right side
   7,013.72x = 49,280,673.31
5. Step 5: Solve for x
   x = 49,280,673.31/7,013.72
6. Step 6: Final answer
   x = 7,026.32