Finding the Fourth Proportional to 22,410.27, 30,915.81 and 13,442.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,410.27 : 30,915.81 = 13,442.22 : x
2. Step 2: Convert to fraction form
   22,410.27/30,915.81 = 13,442.22/x
3. Step 3: Cross multiply
   22,410.27x = 30,915.81 × 13,442.22
4. Step 4: Simplify right side
   22,410.27x = 415,577,119.50
5. Step 5: Solve for x
   x = 415,577,119.50/22,410.27
6. Step 6: Final answer
   x = 18,544.05