Finding the Fourth Proportional to 12,050.78, 16,632.06 and 8,270.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,050.78 : 16,632.06 = 8,270.83 : x
2. Step 2: Convert to fraction form
   12,050.78/16,632.06 = 8,270.83/x
3. Step 3: Cross multiply
   12,050.78x = 16,632.06 × 8,270.83
4. Step 4: Simplify right side
   12,050.78x = 137,561,000.62
5. Step 5: Solve for x
   x = 137,561,000.62/12,050.78
6. Step 6: Final answer
   x = 11,415.12