Finding the Fourth Proportional to 3,565.10, 4,920.12 and 2,073.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,565.10 : 4,920.12 = 2,073.30 : x
2. Step 2: Convert to fraction form
   3,565.10/4,920.12 = 2,073.30/x
3. Step 3: Cross multiply
   3,565.10x = 4,920.12 × 2,073.30
4. Step 4: Simplify right side
   3,565.10x = 10,200,874.43
5. Step 5: Solve for x
   x = 10,200,874.43/3,565.10
6. Step 6: Final answer
   x = 2,861.32