Finding the Fourth Proportional to 8,165.61, 12,227.56 and 5,383.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,165.61 : 12,227.56 = 5,383.87 : x
2. Step 2: Convert to fraction form
   8,165.61/12,227.56 = 5,383.87/x
3. Step 3: Cross multiply
   8,165.61x = 12,227.56 × 5,383.87
4. Step 4: Simplify right side
   8,165.61x = 65,831,549.43
5. Step 5: Solve for x
   x = 65,831,549.43/8,165.61
6. Step 6: Final answer
   x = 8,062.05