Finding the Fourth Proportional to 10,306.42, 15,460.71 and 3,286.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,306.42 : 15,460.71 = 3,286.96 : x
2. Step 2: Convert to fraction form
   10,306.42/15,460.71 = 3,286.96/x
3. Step 3: Cross multiply
   10,306.42x = 15,460.71 × 3,286.96
4. Step 4: Simplify right side
   10,306.42x = 50,818,735.34
5. Step 5: Solve for x
   x = 50,818,735.34/10,306.42
6. Step 6: Final answer
   x = 4,930.78