Finding the Fourth Proportional to 16,380.77, 24,574.39 and 5,290.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,380.77 : 24,574.39 = 5,290.25 : x
2. Step 2: Convert to fraction form
   16,380.77/24,574.39 = 5,290.25/x
3. Step 3: Cross multiply
   16,380.77x = 24,574.39 × 5,290.25
4. Step 4: Simplify right side
   16,380.77x = 130,004,530.60
5. Step 5: Solve for x
   x = 130,004,530.60/16,380.77
6. Step 6: Final answer
   x = 7,936.41