Finding the Fourth Proportional to 4,900.05, 7,356.83 and 3,155.85

Step by Step Solution

1. Step 1: Write the proportion equation
   4,900.05 : 7,356.83 = 3,155.85 : x
2. Step 2: Convert to fraction form
   4,900.05/7,356.83 = 3,155.85/x
3. Step 3: Cross multiply
   4,900.05x = 7,356.83 × 3,155.85
4. Step 4: Simplify right side
   4,900.05x = 23,217,036.18
5. Step 5: Solve for x
   x = 23,217,036.18/4,900.05
6. Step 6: Final answer
   x = 4,738.12