Finding the Fourth Proportional to 2,499.28, 3,744.82 and 854.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.28 : 3,744.82 = 854.93 : x
2. Step 2: Convert to fraction form
   2,499.28/3,744.82 = 854.93/x
3. Step 3: Cross multiply
   2,499.28x = 3,744.82 × 854.93
4. Step 4: Simplify right side
   2,499.28x = 3,201,558.96
5. Step 5: Solve for x
   x = 3,201,558.96/2,499.28
6. Step 6: Final answer
   x = 1,280.99