Finding the Fourth Proportional to 23,822.28, 32,889.72 and 15,339.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,822.28 : 32,889.72 = 15,339.18 : x
2. Step 2: Convert to fraction form
   23,822.28/32,889.72 = 15,339.18/x
3. Step 3: Cross multiply
   23,822.28x = 32,889.72 × 15,339.18
4. Step 4: Simplify right side
   23,822.28x = 504,501,335.23
5. Step 5: Solve for x
   x = 504,501,335.23/23,822.28
6. Step 6: Final answer
   x = 21,177.71