Finding the Fourth Proportional to 4,941.69, 6,821.76 and 3,151.58

Step by Step Solution

1. Step 1: Write the proportion equation
   4,941.69 : 6,821.76 = 3,151.58 : x
2. Step 2: Convert to fraction form
   4,941.69/6,821.76 = 3,151.58/x
3. Step 3: Cross multiply
   4,941.69x = 6,821.76 × 3,151.58
4. Step 4: Simplify right side
   4,941.69x = 21,499,288.27
5. Step 5: Solve for x
   x = 21,499,288.27/4,941.69
6. Step 6: Final answer
   x = 4,350.59