Finding the Fourth Proportional to 8,443.50, 12,656.61 and 3,516

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.50 : 12,656.61 = 3,516 : x
2. Step 2: Convert to fraction form
   8,443.50/12,656.61 = 3,516/x
3. Step 3: Cross multiply
   8,443.50x = 12,656.61 × 3,516
4. Step 4: Simplify right side
   8,443.50x = 44,500,640.76
5. Step 5: Solve for x
   x = 44,500,640.76/8,443.50
6. Step 6: Final answer
   x = 5,270.40