Finding the Fourth Proportional to 3,575.50, 4,934.46 and 2,178.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,575.50 : 4,934.46 = 2,178.52 : x
2. Step 2: Convert to fraction form
   3,575.50/4,934.46 = 2,178.52/x
3. Step 3: Cross multiply
   3,575.50x = 4,934.46 × 2,178.52
4. Step 4: Simplify right side
   3,575.50x = 10,749,819.80
5. Step 5: Solve for x
   x = 10,749,819.80/3,575.50
6. Step 6: Final answer
   x = 3,006.52