Finding the Fourth Proportional to 22,048.56, 30,422.28 and 13,099.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,048.56 : 30,422.28 = 13,099.08 : x
2. Step 2: Convert to fraction form
   22,048.56/30,422.28 = 13,099.08/x
3. Step 3: Cross multiply
   22,048.56x = 30,422.28 × 13,099.08
4. Step 4: Simplify right side
   22,048.56x = 398,503,879.50
5. Step 5: Solve for x
   x = 398,503,879.50/22,048.56
6. Step 6: Final answer
   x = 18,073.92