Finding the Fourth Proportional to 2,962.72, 4,089.92 and 2,083.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.72 : 4,089.92 = 2,083.12 : x
2. Step 2: Convert to fraction form
   2,962.72/4,089.92 = 2,083.12/x
3. Step 3: Cross multiply
   2,962.72x = 4,089.92 × 2,083.12
4. Step 4: Simplify right side
   2,962.72x = 8,519,794.15
5. Step 5: Solve for x
   x = 8,519,794.15/2,962.72
6. Step 6: Final answer
   x = 2,875.67