Finding the Fourth Proportional to 10,865.39, 16,296.71 and 3,469.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.39 : 16,296.71 = 3,469.23 : x
2. Step 2: Convert to fraction form
   10,865.39/16,296.71 = 3,469.23/x
3. Step 3: Cross multiply
   10,865.39x = 16,296.71 × 3,469.23
4. Step 4: Simplify right side
   10,865.39x = 56,537,017.89
5. Step 5: Solve for x
   x = 56,537,017.89/10,865.39
6. Step 6: Final answer
   x = 5,203.41