Finding the Fourth Proportional to 3,059.20, 4,586.74 and 1,111.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.20 : 4,586.74 = 1,111.15 : x
2. Step 2: Convert to fraction form
   3,059.20/4,586.74 = 1,111.15/x
3. Step 3: Cross multiply
   3,059.20x = 4,586.74 × 1,111.15
4. Step 4: Simplify right side
   3,059.20x = 5,096,556.15
5. Step 5: Solve for x
   x = 5,096,556.15/3,059.20
6. Step 6: Final answer
   x = 1,665.98