Finding the Fourth Proportional to 21,868.08, 32,774.37 and 13,968.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,868.08 : 32,774.37 = 13,968.15 : x
2. Step 2: Convert to fraction form
   21,868.08/32,774.37 = 13,968.15/x
3. Step 3: Cross multiply
   21,868.08x = 32,774.37 × 13,968.15
4. Step 4: Simplify right side
   21,868.08x = 457,797,316.32
5. Step 5: Solve for x
   x = 457,797,316.32/21,868.08
6. Step 6: Final answer
   x = 20,934.50