Finding the Fourth Proportional to 3,715.98, 5,127.89 and 2,223.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.98 : 5,127.89 = 2,223.01 : x
2. Step 2: Convert to fraction form
   3,715.98/5,127.89 = 2,223.01/x
3. Step 3: Cross multiply
   3,715.98x = 5,127.89 × 2,223.01
4. Step 4: Simplify right side
   3,715.98x = 11,399,350.75
5. Step 5: Solve for x
   x = 11,399,350.75/3,715.98
6. Step 6: Final answer
   x = 3,067.66