Finding the Fourth Proportional to 8,167.76, 12,250.21 and 3,490.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,167.76 : 12,250.21 = 3,490.41 : x
2. Step 2: Convert to fraction form
   8,167.76/12,250.21 = 3,490.41/x
3. Step 3: Cross multiply
   8,167.76x = 12,250.21 × 3,490.41
4. Step 4: Simplify right side
   8,167.76x = 42,758,255.49
5. Step 5: Solve for x
   x = 42,758,255.49/8,167.76
6. Step 6: Final answer
   x = 5,235.01