Finding the Fourth Proportional to 9,956.70, 14,920.38 and 5,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.70 : 14,920.38 = 5,575.50 : x
2. Step 2: Convert to fraction form
   9,956.70/14,920.38 = 5,575.50/x
3. Step 3: Cross multiply
   9,956.70x = 14,920.38 × 5,575.50
4. Step 4: Simplify right side
   9,956.70x = 83,188,578.69
5. Step 5: Solve for x
   x = 83,188,578.69/9,956.70
6. Step 6: Final answer
   x = 8,355.04