Finding the Fourth Proportional to 2,079.54, 3,120.53 and 1,642.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.54 : 3,120.53 = 1,642.14 : x
2. Step 2: Convert to fraction form
   2,079.54/3,120.53 = 1,642.14/x
3. Step 3: Cross multiply
   2,079.54x = 3,120.53 × 1,642.14
4. Step 4: Simplify right side
   2,079.54x = 5,124,338.92
5. Step 5: Solve for x
   x = 5,124,338.92/2,079.54
6. Step 6: Final answer
   x = 2,464.17