Finding the Fourth Proportional to 22,048.91, 30,417.32 and 13,091.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,048.91 : 30,417.32 = 13,091.32 : x
2. Step 2: Convert to fraction form
   22,048.91/30,417.32 = 13,091.32/x
3. Step 3: Cross multiply
   22,048.91x = 30,417.32 × 13,091.32
4. Step 4: Simplify right side
   22,048.91x = 398,202,940.41
5. Step 5: Solve for x
   x = 398,202,940.41/22,048.91
6. Step 6: Final answer
   x = 18,059.98