Finding the Fourth Proportional to 8,593.54, 12,864.78 and 4,686.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,593.54 : 12,864.78 = 4,686.10 : x
2. Step 2: Convert to fraction form
   8,593.54/12,864.78 = 4,686.10/x
3. Step 3: Cross multiply
   8,593.54x = 12,864.78 × 4,686.10
4. Step 4: Simplify right side
   8,593.54x = 60,285,613.40
5. Step 5: Solve for x
   x = 60,285,613.40/8,593.54
6. Step 6: Final answer
   x = 7,015.23