Finding the Fourth Proportional to 2,345.41, 3,520.86 and 1,649.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.41 : 3,520.86 = 1,649.23 : x
2. Step 2: Convert to fraction form
   2,345.41/3,520.86 = 1,649.23/x
3. Step 3: Cross multiply
   2,345.41x = 3,520.86 × 1,649.23
4. Step 4: Simplify right side
   2,345.41x = 5,806,707.94
5. Step 5: Solve for x
   x = 5,806,707.94/2,345.41
6. Step 6: Final answer
   x = 2,475.78