Finding the Fourth Proportional to 3,612.14, 5,418.56 and 1,015.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.14 : 5,418.56 = 1,015.10 : x
2. Step 2: Convert to fraction form
   3,612.14/5,418.56 = 1,015.10/x
3. Step 3: Cross multiply
   3,612.14x = 5,418.56 × 1,015.10
4. Step 4: Simplify right side
   3,612.14x = 5,500,380.26
5. Step 5: Solve for x
   x = 5,500,380.26/3,612.14
6. Step 6: Final answer
   x = 1,522.75