Finding the Fourth Proportional to 16,398.57, 24,591.83 and 5,865.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,398.57 : 24,591.83 = 5,865.74 : x
2. Step 2: Convert to fraction form
   16,398.57/24,591.83 = 5,865.74/x
3. Step 3: Cross multiply
   16,398.57x = 24,591.83 × 5,865.74
4. Step 4: Simplify right side
   16,398.57x = 144,249,280.90
5. Step 5: Solve for x
   x = 144,249,280.90/16,398.57
6. Step 6: Final answer
   x = 8,796.45