Finding the Fourth Proportional to 8,039.50, 12,064.38 and 3,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,039.50 : 12,064.38 = 3,422.50 : x
2. Step 2: Convert to fraction form
   8,039.50/12,064.38 = 3,422.50/x
3. Step 3: Cross multiply
   8,039.50x = 12,064.38 × 3,422.50
4. Step 4: Simplify right side
   8,039.50x = 41,290,340.55
5. Step 5: Solve for x
   x = 41,290,340.55/8,039.50
6. Step 6: Final answer
   x = 5,135.93