Finding the Fourth Proportional to 3,716.03, 5,128.37 and 2,122.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716.03 : 5,128.37 = 2,122.76 : x
2. Step 2: Convert to fraction form
   3,716.03/5,128.37 = 2,122.76/x
3. Step 3: Cross multiply
   3,716.03x = 5,128.37 × 2,122.76
4. Step 4: Simplify right side
   3,716.03x = 10,886,262.45
5. Step 5: Solve for x
   x = 10,886,262.45/3,716.03
6. Step 6: Final answer
   x = 2,929.54