Finding the Fourth Proportional to 8,147.50, 12,227.39 and 5,961.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147.50 : 12,227.39 = 5,961.86 : x
2. Step 2: Convert to fraction form
   8,147.50/12,227.39 = 5,961.86/x
3. Step 3: Cross multiply
   8,147.50x = 12,227.39 × 5,961.86
4. Step 4: Simplify right side
   8,147.50x = 72,897,987.35
5. Step 5: Solve for x
   x = 72,897,987.35/8,147.50
6. Step 6: Final answer
   x = 8,947.28