Finding the Fourth Proportional to 12,233.58, 18,357.29 and 5,212.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,233.58 : 18,357.29 = 5,212.86 : x
2. Step 2: Convert to fraction form
   12,233.58/18,357.29 = 5,212.86/x
3. Step 3: Cross multiply
   12,233.58x = 18,357.29 × 5,212.86
4. Step 4: Simplify right side
   12,233.58x = 95,693,907.39
5. Step 5: Solve for x
   x = 95,693,907.39/12,233.58
6. Step 6: Final answer
   x = 7,822.23