Finding the Fourth Proportional to 10,550.49, 15,825.18 and 3,155.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,550.49 : 15,825.18 = 3,155.01 : x
2. Step 2: Convert to fraction form
   10,550.49/15,825.18 = 3,155.01/x
3. Step 3: Cross multiply
   10,550.49x = 15,825.18 × 3,155.01
4. Step 4: Simplify right side
   10,550.49x = 49,928,601.15
5. Step 5: Solve for x
   x = 49,928,601.15/10,550.49
6. Step 6: Final answer
   x = 4,732.35