Finding the Fourth Proportional to 2,663.58, 3,992.49 and 1,793.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.58 : 3,992.49 = 1,793.82 : x
2. Step 2: Convert to fraction form
   2,663.58/3,992.49 = 1,793.82/x
3. Step 3: Cross multiply
   2,663.58x = 3,992.49 × 1,793.82
4. Step 4: Simplify right side
   2,663.58x = 7,161,808.41
5. Step 5: Solve for x
   x = 7,161,808.41/2,663.58
6. Step 6: Final answer
   x = 2,688.79