Finding the Fourth Proportional to 2,057.33, 3,086.24 and 740.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.33 : 3,086.24 = 740.88 : x
2. Step 2: Convert to fraction form
   2,057.33/3,086.24 = 740.88/x
3. Step 3: Cross multiply
   2,057.33x = 3,086.24 × 740.88
4. Step 4: Simplify right side
   2,057.33x = 2,286,529.79
5. Step 5: Solve for x
   x = 2,286,529.79/2,057.33
6. Step 6: Final answer
   x = 1,111.41