Finding the Fourth Proportional to 2,996.16, 4,492.41 and 1,145.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.16 : 4,492.41 = 1,145.31 : x
2. Step 2: Convert to fraction form
   2,996.16/4,492.41 = 1,145.31/x
3. Step 3: Cross multiply
   2,996.16x = 4,492.41 × 1,145.31
4. Step 4: Simplify right side
   2,996.16x = 5,145,202.10
5. Step 5: Solve for x
   x = 5,145,202.10/2,996.16
6. Step 6: Final answer
   x = 1,717.27