Finding the Fourth Proportional to 16,385.87, 24,582.45 and 5,290.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,385.87 : 24,582.45 = 5,290.49 : x
2. Step 2: Convert to fraction form
   16,385.87/24,582.45 = 5,290.49/x
3. Step 3: Cross multiply
   16,385.87x = 24,582.45 × 5,290.49
4. Step 4: Simplify right side
   16,385.87x = 130,053,205.90
5. Step 5: Solve for x
   x = 130,053,205.90/16,385.87
6. Step 6: Final answer
   x = 7,936.91