Finding the Fourth Proportional to 3,709.03, 5,118.71 and 2,137.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709.03 : 5,118.71 = 2,137.22 : x
2. Step 2: Convert to fraction form
   3,709.03/5,118.71 = 2,137.22/x
3. Step 3: Cross multiply
   3,709.03x = 5,118.71 × 2,137.22
4. Step 4: Simplify right side
   3,709.03x = 10,939,811.50
5. Step 5: Solve for x
   x = 10,939,811.50/3,709.03
6. Step 6: Final answer
   x = 2,949.51