Finding the Fourth Proportional to 16,404.51, 24,610.68 and 5,311.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.51 : 24,610.68 = 5,311.20 : x
2. Step 2: Convert to fraction form
   16,404.51/24,610.68 = 5,311.20/x
3. Step 3: Cross multiply
   16,404.51x = 24,610.68 × 5,311.20
4. Step 4: Simplify right side
   16,404.51x = 130,712,335.91
5. Step 5: Solve for x
   x = 130,712,335.91/16,404.51
6. Step 6: Final answer
   x = 7,968.07