Finding the Fourth Proportional to 2,962.29, 4,085.35 and 2,019.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.29 : 4,085.35 = 2,019.61 : x
2. Step 2: Convert to fraction form
   2,962.29/4,085.35 = 2,019.61/x
3. Step 3: Cross multiply
   2,962.29x = 4,085.35 × 2,019.61
4. Step 4: Simplify right side
   2,962.29x = 8,250,813.77
5. Step 5: Solve for x
   x = 8,250,813.77/2,962.29
6. Step 6: Final answer
   x = 2,785.28