Finding the Fourth Proportional to 2,326.79, 3,210.54 and 1,442.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.79 : 3,210.54 = 1,442.81 : x
2. Step 2: Convert to fraction form
   2,326.79/3,210.54 = 1,442.81/x
3. Step 3: Cross multiply
   2,326.79x = 3,210.54 × 1,442.81
4. Step 4: Simplify right side
   2,326.79x = 4,632,201.83
5. Step 5: Solve for x
   x = 4,632,201.83/2,326.79
6. Step 6: Final answer
   x = 1,990.81