Finding the Fourth Proportional to 3,057.48, 4,588.20 and 1,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.48 : 4,588.20 = 1,109.52 : x
2. Step 2: Convert to fraction form
   3,057.48/4,588.20 = 1,109.52/x
3. Step 3: Cross multiply
   3,057.48x = 4,588.20 × 1,109.52
4. Step 4: Simplify right side
   3,057.48x = 5,090,699.66
5. Step 5: Solve for x
   x = 5,090,699.66/3,057.48
6. Step 6: Final answer
   x = 1,665.00