Finding the Fourth Proportional to 3,015.83, 4,520.28 and 1,166.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,015.83 : 4,520.28 = 1,166.12 : x
2. Step 2: Convert to fraction form
   3,015.83/4,520.28 = 1,166.12/x
3. Step 3: Cross multiply
   3,015.83x = 4,520.28 × 1,166.12
4. Step 4: Simplify right side
   3,015.83x = 5,271,188.91
5. Step 5: Solve for x
   x = 5,271,188.91/3,015.83
6. Step 6: Final answer
   x = 1,747.84