Finding the Fourth Proportional to 9,488.76, 14,231.34 and 3,163.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.76 : 14,231.34 = 3,163.71 : x
2. Step 2: Convert to fraction form
   9,488.76/14,231.34 = 3,163.71/x
3. Step 3: Cross multiply
   9,488.76x = 14,231.34 × 3,163.71
4. Step 4: Simplify right side
   9,488.76x = 45,023,832.67
5. Step 5: Solve for x
   x = 45,023,832.67/9,488.76
6. Step 6: Final answer
   x = 4,744.96