Finding the Fourth Proportional to 8,066.56, 12,098.42 and 2,221.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,066.56 : 12,098.42 = 2,221.78 : x
2. Step 2: Convert to fraction form
   8,066.56/12,098.42 = 2,221.78/x
3. Step 3: Cross multiply
   8,066.56x = 12,098.42 × 2,221.78
4. Step 4: Simplify right side
   8,066.56x = 26,880,027.59
5. Step 5: Solve for x
   x = 26,880,027.59/8,066.56
6. Step 6: Final answer
   x = 3,332.28