Finding the Fourth Proportional to 12,066.48, 18,099.80 and 3,301.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066.48 : 18,099.80 = 3,301.20 : x
2. Step 2: Convert to fraction form
   12,066.48/18,099.80 = 3,301.20/x
3. Step 3: Cross multiply
   12,066.48x = 18,099.80 × 3,301.20
4. Step 4: Simplify right side
   12,066.48x = 59,751,059.76
5. Step 5: Solve for x
   x = 59,751,059.76/12,066.48
6. Step 6: Final answer
   x = 4,951.82