Finding the Fourth Proportional to 16,390.69, 24,583.91 and 5,296.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390.69 : 24,583.91 = 5,296.25 : x
2. Step 2: Convert to fraction form
   16,390.69/24,583.91 = 5,296.25/x
3. Step 3: Cross multiply
   16,390.69x = 24,583.91 × 5,296.25
4. Step 4: Simplify right side
   16,390.69x = 130,202,568.32
5. Step 5: Solve for x
   x = 130,202,568.32/16,390.69
6. Step 6: Final answer
   x = 7,943.69