Finding the Fourth Proportional to 22,369.36, 30,870.32 and 12,298.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369.36 : 30,870.32 = 12,298.22 : x
2. Step 2: Convert to fraction form
   22,369.36/30,870.32 = 12,298.22/x
3. Step 3: Cross multiply
   22,369.36x = 30,870.32 × 12,298.22
4. Step 4: Simplify right side
   22,369.36x = 379,650,002.52
5. Step 5: Solve for x
   x = 379,650,002.52/22,369.36
6. Step 6: Final answer
   x = 16,971.88