Finding the Fourth Proportional to 9,628.35, 14,432.81 and 5,236.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,628.35 : 14,432.81 = 5,236.71 : x
2. Step 2: Convert to fraction form
   9,628.35/14,432.81 = 5,236.71/x
3. Step 3: Cross multiply
   9,628.35x = 14,432.81 × 5,236.71
4. Step 4: Simplify right side
   9,628.35x = 75,580,414.27
5. Step 5: Solve for x
   x = 75,580,414.27/9,628.35
6. Step 6: Final answer
   x = 7,849.78