Finding the Fourth Proportional to 5,077.50, 7,007.76 and 2,981.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,077.50 : 7,007.76 = 2,981.22 : x
2. Step 2: Convert to fraction form
   5,077.50/7,007.76 = 2,981.22/x
3. Step 3: Cross multiply
   5,077.50x = 7,007.76 × 2,981.22
4. Step 4: Simplify right side
   5,077.50x = 20,891,674.27
5. Step 5: Solve for x
   x = 20,891,674.27/5,077.50
6. Step 6: Final answer
   x = 4,114.56