Finding the Fourth Proportional to 9,716.71, 14,575.89 and 3,143.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,716.71 : 14,575.89 = 3,143.98 : x
2. Step 2: Convert to fraction form
   9,716.71/14,575.89 = 3,143.98/x
3. Step 3: Cross multiply
   9,716.71x = 14,575.89 × 3,143.98
4. Step 4: Simplify right side
   9,716.71x = 45,826,306.64
5. Step 5: Solve for x
   x = 45,826,306.64/9,716.71
6. Step 6: Final answer
   x = 4,716.24