Finding the Fourth Proportional to 8,542.50, 12,814.83 and 2,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,542.50 : 12,814.83 = 2,386.50 : x
2. Step 2: Convert to fraction form
   8,542.50/12,814.83 = 2,386.50/x
3. Step 3: Cross multiply
   8,542.50x = 12,814.83 × 2,386.50
4. Step 4: Simplify right side
   8,542.50x = 30,582,591.80
5. Step 5: Solve for x
   x = 30,582,591.80/8,542.50
6. Step 6: Final answer
   x = 3,580.05