Finding the Fourth Proportional to 22,099.48, 30,494.58 and 13,147.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,099.48 : 30,494.58 = 13,147.36 : x
2. Step 2: Convert to fraction form
   22,099.48/30,494.58 = 13,147.36/x
3. Step 3: Cross multiply
   22,099.48x = 30,494.58 × 13,147.36
4. Step 4: Simplify right side
   22,099.48x = 400,923,221.31
5. Step 5: Solve for x
   x = 400,923,221.31/22,099.48
6. Step 6: Final answer
   x = 18,141.75