Finding the Fourth Proportional to 8,066.40, 12,101.13 and 2,801.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,066.40 : 12,101.13 = 2,801.21 : x
2. Step 2: Convert to fraction form
   8,066.40/12,101.13 = 2,801.21/x
3. Step 3: Cross multiply
   8,066.40x = 12,101.13 × 2,801.21
4. Step 4: Simplify right side
   8,066.40x = 33,897,745.86
5. Step 5: Solve for x
   x = 33,897,745.86/8,066.40
6. Step 6: Final answer
   x = 4,202.34