Finding the Fourth Proportional to 10,347.88, 15,522.43 and 3,231.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,347.88 : 15,522.43 = 3,231.15 : x
2. Step 2: Convert to fraction form
   10,347.88/15,522.43 = 3,231.15/x
3. Step 3: Cross multiply
   10,347.88x = 15,522.43 × 3,231.15
4. Step 4: Simplify right side
   10,347.88x = 50,155,299.69
5. Step 5: Solve for x
   x = 50,155,299.69/10,347.88
6. Step 6: Final answer
   x = 4,846.92