Finding the Fourth Proportional to 22,148.31, 30,568.17 and 13,201.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,148.31 : 30,568.17 = 13,201.01 : x
2. Step 2: Convert to fraction form
   22,148.31/30,568.17 = 13,201.01/x
3. Step 3: Cross multiply
   22,148.31x = 30,568.17 × 13,201.01
4. Step 4: Simplify right side
   22,148.31x = 403,530,565.01
5. Step 5: Solve for x
   x = 403,530,565.01/22,148.31
6. Step 6: Final answer
   x = 18,219.47