Finding the Fourth Proportional to 10,530.88, 15,791.02 and 3,508.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,530.88 : 15,791.02 = 3,508.42 : x
2. Step 2: Convert to fraction form
   10,530.88/15,791.02 = 3,508.42/x
3. Step 3: Cross multiply
   10,530.88x = 15,791.02 × 3,508.42
4. Step 4: Simplify right side
   10,530.88x = 55,401,530.39
5. Step 5: Solve for x
   x = 55,401,530.39/10,530.88
6. Step 6: Final answer
   x = 5,260.86