Finding the Fourth Proportional to 2,092.80, 2,893.20 and 2,073.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.80 : 2,893.20 = 2,073.12 : x
2. Step 2: Convert to fraction form
   2,092.80/2,893.20 = 2,073.12/x
3. Step 3: Cross multiply
   2,092.80x = 2,893.20 × 2,073.12
4. Step 4: Simplify right side
   2,092.80x = 5,997,950.78
5. Step 5: Solve for x
   x = 5,997,950.78/2,092.80
6. Step 6: Final answer
   x = 2,865.99