Finding the Fourth Proportional to 10,864.78, 16,298.04 and 3,470.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.78 : 16,298.04 = 3,470.28 : x
2. Step 2: Convert to fraction form
   10,864.78/16,298.04 = 3,470.28/x
3. Step 3: Cross multiply
   10,864.78x = 16,298.04 × 3,470.28
4. Step 4: Simplify right side
   10,864.78x = 56,558,762.25
5. Step 5: Solve for x
   x = 56,558,762.25/10,864.78
6. Step 6: Final answer
   x = 5,205.70