Finding the Fourth Proportional to 3,057.86, 4,588.61 and 1,109.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.86 : 4,588.61 = 1,109.81 : x
2. Step 2: Convert to fraction form
   3,057.86/4,588.61 = 1,109.81/x
3. Step 3: Cross multiply
   3,057.86x = 4,588.61 × 1,109.81
4. Step 4: Simplify right side
   3,057.86x = 5,092,456.77
5. Step 5: Solve for x
   x = 5,092,456.77/3,057.86
6. Step 6: Final answer
   x = 1,665.37