Finding the Fourth Proportional to 21,797.88, 32,647.62 and 10,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,797.88 : 32,647.62 = 10,086.50 : x
2. Step 2: Convert to fraction form
   21,797.88/32,647.62 = 10,086.50/x
3. Step 3: Cross multiply
   21,797.88x = 32,647.62 × 10,086.50
4. Step 4: Simplify right side
   21,797.88x = 329,300,219.13
5. Step 5: Solve for x
   x = 329,300,219.13/21,797.88
6. Step 6: Final answer
   x = 15,106.98