Finding the Fourth Proportional to 2,974.52, 4,462.68 and 1,126.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.52 : 4,462.68 = 1,126.20 : x
2. Step 2: Convert to fraction form
   2,974.52/4,462.68 = 1,126.20/x
3. Step 3: Cross multiply
   2,974.52x = 4,462.68 × 1,126.20
4. Step 4: Simplify right side
   2,974.52x = 5,025,870.22
5. Step 5: Solve for x
   x = 5,025,870.22/2,974.52
6. Step 6: Final answer
   x = 1,689.64