Finding the Fourth Proportional to 12,050.50, 18,052.20 and 8,301.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,050.50 : 18,052.20 = 8,301.61 : x
2. Step 2: Convert to fraction form
   12,050.50/18,052.20 = 8,301.61/x
3. Step 3: Cross multiply
   12,050.50x = 18,052.20 × 8,301.61
4. Step 4: Simplify right side
   12,050.50x = 149,862,432.40
5. Step 5: Solve for x
   x = 149,862,432.40/12,050.50
6. Step 6: Final answer
   x = 12,436.20