Finding the Fourth Proportional to 12,099.39, 18,150.21 and 4,704.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.39 : 18,150.21 = 4,704.42 : x
2. Step 2: Convert to fraction form
   12,099.39/18,150.21 = 4,704.42/x
3. Step 3: Cross multiply
   12,099.39x = 18,150.21 × 4,704.42
4. Step 4: Simplify right side
   12,099.39x = 85,386,210.93
5. Step 5: Solve for x
   x = 85,386,210.93/12,099.39
6. Step 6: Final answer
   x = 7,057.07