Finding the Fourth Proportional to 12,210.37, 16,850.50 and 7,174.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,210.37 : 16,850.50 = 7,174.71 : x
2. Step 2: Convert to fraction form
   12,210.37/16,850.50 = 7,174.71/x
3. Step 3: Cross multiply
   12,210.37x = 16,850.50 × 7,174.71
4. Step 4: Simplify right side
   12,210.37x = 120,897,432.92
5. Step 5: Solve for x
   x = 120,897,432.92/12,210.37
6. Step 6: Final answer
   x = 9,901.21