Finding the Fourth Proportional to 3,057.82, 4,588.60 and 1,111.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.82 : 4,588.60 = 1,111.38 : x
2. Step 2: Convert to fraction form
   3,057.82/4,588.60 = 1,111.38/x
3. Step 3: Cross multiply
   3,057.82x = 4,588.60 × 1,111.38
4. Step 4: Simplify right side
   3,057.82x = 5,099,678.27
5. Step 5: Solve for x
   x = 5,099,678.27/3,057.82
6. Step 6: Final answer
   x = 1,667.75