Finding the Fourth Proportional to 10,443.52, 15,665.32 and 3,423.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.52 : 15,665.32 = 3,423.48 : x
2. Step 2: Convert to fraction form
   10,443.52/15,665.32 = 3,423.48/x
3. Step 3: Cross multiply
   10,443.52x = 15,665.32 × 3,423.48
4. Step 4: Simplify right side
   10,443.52x = 53,629,909.71
5. Step 5: Solve for x
   x = 53,629,909.71/10,443.52
6. Step 6: Final answer
   x = 5,135.23