Finding the Fourth Proportional to 12,217.69, 18,323.09 and 4,719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,217.69 : 18,323.09 = 4,719.52 : x
2. Step 2: Convert to fraction form
   12,217.69/18,323.09 = 4,719.52/x
3. Step 3: Cross multiply
   12,217.69x = 18,323.09 × 4,719.52
4. Step 4: Simplify right side
   12,217.69x = 86,476,189.72
5. Step 5: Solve for x
   x = 86,476,189.72/12,217.69
6. Step 6: Final answer
   x = 7,077.95