Finding the Fourth Proportional to 12,223.92, 18,342.48 and 5,298.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.92 : 18,342.48 = 5,298.96 : x
2. Step 2: Convert to fraction form
   12,223.92/18,342.48 = 5,298.96/x
3. Step 3: Cross multiply
   12,223.92x = 18,342.48 × 5,298.96
4. Step 4: Simplify right side
   12,223.92x = 97,196,067.82
5. Step 5: Solve for x
   x = 97,196,067.82/12,223.92
6. Step 6: Final answer
   x = 7,951.30