Finding the Fourth Proportional to 10,306.88, 15,462.56 and 3,381.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,306.88 : 15,462.56 = 3,381.12 : x
2. Step 2: Convert to fraction form
   10,306.88/15,462.56 = 3,381.12/x
3. Step 3: Cross multiply
   10,306.88x = 15,462.56 × 3,381.12
4. Step 4: Simplify right side
   10,306.88x = 52,280,770.87
5. Step 5: Solve for x
   x = 52,280,770.87/10,306.88
6. Step 6: Final answer
   x = 5,072.41