Finding the Fourth Proportional to 12,066.64, 18,099.69 and 5,494.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066.64 : 18,099.69 = 5,494.57 : x
2. Step 2: Convert to fraction form
   12,066.64/18,099.69 = 5,494.57/x
3. Step 3: Cross multiply
   12,066.64x = 18,099.69 × 5,494.57
4. Step 4: Simplify right side
   12,066.64x = 99,450,013.68
5. Step 5: Solve for x
   x = 99,450,013.68/12,066.64
6. Step 6: Final answer
   x = 8,241.73