Finding the Fourth Proportional to 2,423.72, 3,345.98 and 1,716.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.72 : 3,345.98 = 1,716.12 : x
2. Step 2: Convert to fraction form
   2,423.72/3,345.98 = 1,716.12/x
3. Step 3: Cross multiply
   2,423.72x = 3,345.98 × 1,716.12
4. Step 4: Simplify right side
   2,423.72x = 5,742,103.20
5. Step 5: Solve for x
   x = 5,742,103.20/2,423.72
6. Step 6: Final answer
   x = 2,369.13