Finding the Fourth Proportional to 3,629.74, 5,008.71 and 2,117.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,629.74 : 5,008.71 = 2,117.05 : x
2. Step 2: Convert to fraction form
   3,629.74/5,008.71 = 2,117.05/x
3. Step 3: Cross multiply
   3,629.74x = 5,008.71 × 2,117.05
4. Step 4: Simplify right side
   3,629.74x = 10,603,689.51
5. Step 5: Solve for x
   x = 10,603,689.51/3,629.74
6. Step 6: Final answer
   x = 2,921.34