Finding the Fourth Proportional to 2,345.20, 3,510.79 and 1,417.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.20 : 3,510.79 = 1,417.96 : x
2. Step 2: Convert to fraction form
   2,345.20/3,510.79 = 1,417.96/x
3. Step 3: Cross multiply
   2,345.20x = 3,510.79 × 1,417.96
4. Step 4: Simplify right side
   2,345.20x = 4,978,148.86
5. Step 5: Solve for x
   x = 4,978,148.86/2,345.20
6. Step 6: Final answer
   x = 2,122.69