Finding the Fourth Proportional to 2,689.59, 3,712.32 and 2,092.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.59 : 3,712.32 = 2,092.08 : x
2. Step 2: Convert to fraction form
   2,689.59/3,712.32 = 2,092.08/x
3. Step 3: Cross multiply
   2,689.59x = 3,712.32 × 2,092.08
4. Step 4: Simplify right side
   2,689.59x = 7,766,470.43
5. Step 5: Solve for x
   x = 7,766,470.43/2,689.59
6. Step 6: Final answer
   x = 2,887.60