Finding the Fourth Proportional to 3,443.86, 4,752.67 and 2,118

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.86 : 4,752.67 = 2,118 : x
2. Step 2: Convert to fraction form
   3,443.86/4,752.67 = 2,118/x
3. Step 3: Cross multiply
   3,443.86x = 4,752.67 × 2,118
4. Step 4: Simplify right side
   3,443.86x = 10,066,155.06
5. Step 5: Solve for x
   x = 10,066,155.06/3,443.86
6. Step 6: Final answer
   x = 2,922.93