Finding the Fourth Proportional to 16,404.56, 24,610.74 and 5,311.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.56 : 24,610.74 = 5,311.25 : x
2. Step 2: Convert to fraction form
   16,404.56/24,610.74 = 5,311.25/x
3. Step 3: Cross multiply
   16,404.56x = 24,610.74 × 5,311.25
4. Step 4: Simplify right side
   16,404.56x = 130,713,792.83
5. Step 5: Solve for x
   x = 130,713,792.83/16,404.56
6. Step 6: Final answer
   x = 7,968.14