Finding the Fourth Proportional to 10,550.72, 15,823.31 and 3,153.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,550.72 : 15,823.31 = 3,153.43 : x
2. Step 2: Convert to fraction form
   10,550.72/15,823.31 = 3,153.43/x
3. Step 3: Cross multiply
   10,550.72x = 15,823.31 × 3,153.43
4. Step 4: Simplify right side
   10,550.72x = 49,897,700.45
5. Step 5: Solve for x
   x = 49,897,700.45/10,550.72
6. Step 6: Final answer
   x = 4,729.32