Finding the Fourth Proportional to 9,912.80, 14,867.58 and 3,675.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.80 : 14,867.58 = 3,675.71 : x
2. Step 2: Convert to fraction form
   9,912.80/14,867.58 = 3,675.71/x
3. Step 3: Cross multiply
   9,912.80x = 14,867.58 × 3,675.71
4. Step 4: Simplify right side
   9,912.80x = 54,648,912.48
5. Step 5: Solve for x
   x = 54,648,912.48/9,912.80
6. Step 6: Final answer
   x = 5,512.96