Finding the Fourth Proportional to 3,057.61, 4,588.23 and 1,109.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.61 : 4,588.23 = 1,109.56 : x
2. Step 2: Convert to fraction form
   3,057.61/4,588.23 = 1,109.56/x
3. Step 3: Cross multiply
   3,057.61x = 4,588.23 × 1,109.56
4. Step 4: Simplify right side
   3,057.61x = 5,090,893.54
5. Step 5: Solve for x
   x = 5,090,893.54/3,057.61
6. Step 6: Final answer
   x = 1,664.99