Finding the Fourth Proportional to 10,443.72, 15,665.46 and 3,523.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.72 : 15,665.46 = 3,523.08 : x
2. Step 2: Convert to fraction form
   10,443.72/15,665.46 = 3,523.08/x
3. Step 3: Cross multiply
   10,443.72x = 15,665.46 × 3,523.08
4. Step 4: Simplify right side
   10,443.72x = 55,190,668.82
5. Step 5: Solve for x
   x = 55,190,668.82/10,443.72
6. Step 6: Final answer
   x = 5,284.58