Finding the Fourth Proportional to 3,345.43, 4,619.82 and 2,152.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.43 : 4,619.82 = 2,152.49 : x
2. Step 2: Convert to fraction form
   3,345.43/4,619.82 = 2,152.49/x
3. Step 3: Cross multiply
   3,345.43x = 4,619.82 × 2,152.49
4. Step 4: Simplify right side
   3,345.43x = 9,944,105.59
5. Step 5: Solve for x
   x = 9,944,105.59/3,345.43
6. Step 6: Final answer
   x = 2,972.45