Finding the Fourth Proportional to 21,649.50, 32,474.28 and 5,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,649.50 : 32,474.28 = 5,233.50 : x
2. Step 2: Convert to fraction form
   21,649.50/32,474.28 = 5,233.50/x
3. Step 3: Cross multiply
   21,649.50x = 32,474.28 × 5,233.50
4. Step 4: Simplify right side
   21,649.50x = 169,954,144.38
5. Step 5: Solve for x
   x = 169,954,144.38/21,649.50
6. Step 6: Final answer
   x = 7,850.26