Finding the Fourth Proportional to 4,911.69, 7,362.84 and 3,151.77

Step by Step Solution

1. Step 1: Write the proportion equation
   4,911.69 : 7,362.84 = 3,151.77 : x
2. Step 2: Convert to fraction form
   4,911.69/7,362.84 = 3,151.77/x
3. Step 3: Cross multiply
   4,911.69x = 7,362.84 × 3,151.77
4. Step 4: Simplify right side
   4,911.69x = 23,205,978.23
5. Step 5: Solve for x
   x = 23,205,978.23/4,911.69
6. Step 6: Final answer
   x = 4,724.64