Finding the Fourth Proportional to 3,443.77, 4,752.48 and 2,117.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.77 : 4,752.48 = 2,117.89 : x
2. Step 2: Convert to fraction form
   3,443.77/4,752.48 = 2,117.89/x
3. Step 3: Cross multiply
   3,443.77x = 4,752.48 × 2,117.89
4. Step 4: Simplify right side
   3,443.77x = 10,065,229.87
5. Step 5: Solve for x
   x = 10,065,229.87/3,443.77
6. Step 6: Final answer
   x = 2,922.74