Finding the Fourth Proportional to 16,566.28, 24,837.31 and 5,315.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,566.28 : 24,837.31 = 5,315.21 : x
2. Step 2: Convert to fraction form
   16,566.28/24,837.31 = 5,315.21/x
3. Step 3: Cross multiply
   16,566.28x = 24,837.31 × 5,315.21
4. Step 4: Simplify right side
   16,566.28x = 132,015,477.84
5. Step 5: Solve for x
   x = 132,015,477.84/16,566.28
6. Step 6: Final answer
   x = 7,968.93