Finding the Fourth Proportional to 12,243.30, 18,358.20 and 3,807.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243.30 : 18,358.20 = 3,807.52 : x
2. Step 2: Convert to fraction form
   12,243.30/18,358.20 = 3,807.52/x
3. Step 3: Cross multiply
   12,243.30x = 18,358.20 × 3,807.52
4. Step 4: Simplify right side
   12,243.30x = 69,899,213.66
5. Step 5: Solve for x
   x = 69,899,213.66/12,243.30
6. Step 6: Final answer
   x = 5,709.18