Finding the Fourth Proportional to 12,330.36, 18,498.51 and 3,565.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,330.36 : 18,498.51 = 3,565.89 : x
2. Step 2: Convert to fraction form
   12,330.36/18,498.51 = 3,565.89/x
3. Step 3: Cross multiply
   12,330.36x = 18,498.51 × 3,565.89
4. Step 4: Simplify right side
   12,330.36x = 65,963,651.82
5. Step 5: Solve for x
   x = 65,963,651.82/12,330.36
6. Step 6: Final answer
   x = 5,349.69