Finding the Fourth Proportional to 10,864.40, 16,300.24 and 3,469.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.40 : 16,300.24 = 3,469.91 : x
2. Step 2: Convert to fraction form
   10,864.40/16,300.24 = 3,469.91/x
3. Step 3: Cross multiply
   10,864.40x = 16,300.24 × 3,469.91
4. Step 4: Simplify right side
   10,864.40x = 56,560,275.60
5. Step 5: Solve for x
   x = 56,560,275.60/10,864.40
6. Step 6: Final answer
   x = 5,206.02