Finding the Fourth Proportional to 22,398.88, 30,902.16 and 22,364.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,398.88 : 30,902.16 = 22,364.32 : x
2. Step 2: Convert to fraction form
   22,398.88/30,902.16 = 22,364.32/x
3. Step 3: Cross multiply
   22,398.88x = 30,902.16 × 22,364.32
4. Step 4: Simplify right side
   22,398.88x = 691,105,794.93
5. Step 5: Solve for x
   x = 691,105,794.93/22,398.88
6. Step 6: Final answer
   x = 30,854.48