Finding the Fourth Proportional to 12,223.37, 18,333.51 and 3,902.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.37 : 18,333.51 = 3,902.69 : x
2. Step 2: Convert to fraction form
   12,223.37/18,333.51 = 3,902.69/x
3. Step 3: Cross multiply
   12,223.37x = 18,333.51 × 3,902.69
4. Step 4: Simplify right side
   12,223.37x = 71,549,914.47
5. Step 5: Solve for x
   x = 71,549,914.47/12,223.37
6. Step 6: Final answer
   x = 5,853.54