Finding the Fourth Proportional to 10,865.52, 16,300.48 and 3,469.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.52 : 16,300.48 = 3,469.76 : x
2. Step 2: Convert to fraction form
   10,865.52/16,300.48 = 3,469.76/x
3. Step 3: Cross multiply
   10,865.52x = 16,300.48 × 3,469.76
4. Step 4: Simplify right side
   10,865.52x = 56,558,753.48
5. Step 5: Solve for x
   x = 56,558,753.48/10,865.52
6. Step 6: Final answer
   x = 5,205.34