Finding the Fourth Proportional to 22,307.05, 30,782.73 and 13,359.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,307.05 : 30,782.73 = 13,359.48 : x
2. Step 2: Convert to fraction form
   22,307.05/30,782.73 = 13,359.48/x
3. Step 3: Cross multiply
   22,307.05x = 30,782.73 × 13,359.48
4. Step 4: Simplify right side
   22,307.05x = 411,241,265.78
5. Step 5: Solve for x
   x = 411,241,265.78/22,307.05
6. Step 6: Final answer
   x = 18,435.48