Finding the Fourth Proportional to 2,606.25, 3,911.19 and 1,146.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.25 : 3,911.19 = 1,146.42 : x
2. Step 2: Convert to fraction form
   2,606.25/3,911.19 = 1,146.42/x
3. Step 3: Cross multiply
   2,606.25x = 3,911.19 × 1,146.42
4. Step 4: Simplify right side
   2,606.25x = 4,483,866.44
5. Step 5: Solve for x
   x = 4,483,866.44/2,606.25
6. Step 6: Final answer
   x = 1,720.43