Finding the Fourth Proportional to 21,896.27, 32,673.54 and 19,540.07

Step by Step Solution

1. Step 1: Write the proportion equation
   21,896.27 : 32,673.54 = 19,540.07 : x
2. Step 2: Convert to fraction form
   21,896.27/32,673.54 = 19,540.07/x
3. Step 3: Cross multiply
   21,896.27x = 32,673.54 × 19,540.07
4. Step 4: Simplify right side
   21,896.27x = 638,443,258.75
5. Step 5: Solve for x
   x = 638,443,258.75/21,896.27
6. Step 6: Final answer
   x = 29,157.63