Finding the Fourth Proportional to 16,399.31, 24,602.56 and 5,307.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399.31 : 24,602.56 = 5,307.12 : x
2. Step 2: Convert to fraction form
   16,399.31/24,602.56 = 5,307.12/x
3. Step 3: Cross multiply
   16,399.31x = 24,602.56 × 5,307.12
4. Step 4: Simplify right side
   16,399.31x = 130,568,724.96
5. Step 5: Solve for x
   x = 130,568,724.96/16,399.31
6. Step 6: Final answer
   x = 7,961.85