Finding the Fourth Proportional to 10,434.05, 15,653.46 and 3,508.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.05 : 15,653.46 = 3,508.55 : x
2. Step 2: Convert to fraction form
   10,434.05/15,653.46 = 3,508.55/x
3. Step 3: Cross multiply
   10,434.05x = 15,653.46 × 3,508.55
4. Step 4: Simplify right side
   10,434.05x = 54,920,868.82
5. Step 5: Solve for x
   x = 54,920,868.82/10,434.05
6. Step 6: Final answer
   x = 5,263.62