Finding the Fourth Proportional to 3,012.02, 4,518.22 and 1,162.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012.02 : 4,518.22 = 1,162.88 : x
2. Step 2: Convert to fraction form
   3,012.02/4,518.22 = 1,162.88/x
3. Step 3: Cross multiply
   3,012.02x = 4,518.22 × 1,162.88
4. Step 4: Simplify right side
   3,012.02x = 5,254,147.67
5. Step 5: Solve for x
   x = 5,254,147.67/3,012.02
6. Step 6: Final answer
   x = 1,744.39