Finding the Fourth Proportional to 2,317.59, 3,472.03 and 1,146.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.59 : 3,472.03 = 1,146.23 : x
2. Step 2: Convert to fraction form
   2,317.59/3,472.03 = 1,146.23/x
3. Step 3: Cross multiply
   2,317.59x = 3,472.03 × 1,146.23
4. Step 4: Simplify right side
   2,317.59x = 3,979,744.95
5. Step 5: Solve for x
   x = 3,979,744.95/2,317.59
6. Step 6: Final answer
   x = 1,717.19