Finding the Fourth Proportional to 21,993.53, 32,993.33 and 7,950.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,993.53 : 32,993.33 = 7,950.15 : x
2. Step 2: Convert to fraction form
   21,993.53/32,993.33 = 7,950.15/x
3. Step 3: Cross multiply
   21,993.53x = 32,993.33 × 7,950.15
4. Step 4: Simplify right side
   21,993.53x = 262,301,882.75
5. Step 5: Solve for x
   x = 262,301,882.75/21,993.53
6. Step 6: Final answer
   x = 11,926.32