Finding the Fourth Proportional to 10,155.87, 15,233.85 and 4,962.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.87 : 15,233.85 = 4,962.15 : x
2. Step 2: Convert to fraction form
   10,155.87/15,233.85 = 4,962.15/x
3. Step 3: Cross multiply
   10,155.87x = 15,233.85 × 4,962.15
4. Step 4: Simplify right side
   10,155.87x = 75,592,648.78
5. Step 5: Solve for x
   x = 75,592,648.78/10,155.87
6. Step 6: Final answer
   x = 7,443.25