Finding the Fourth Proportional to 8,061.14, 12,091.77 and 2,218.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.14 : 12,091.77 = 2,218.07 : x
2. Step 2: Convert to fraction form
   8,061.14/12,091.77 = 2,218.07/x
3. Step 3: Cross multiply
   8,061.14x = 12,091.77 × 2,218.07
4. Step 4: Simplify right side
   8,061.14x = 26,820,331.83
5. Step 5: Solve for x
   x = 26,820,331.83/8,061.14
6. Step 6: Final answer
   x = 3,327.12