Finding the Fourth Proportional to 2,325.31, 3,208.94 and 1,277.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.31 : 3,208.94 = 1,277.38 : x
2. Step 2: Convert to fraction form
   2,325.31/3,208.94 = 1,277.38/x
3. Step 3: Cross multiply
   2,325.31x = 3,208.94 × 1,277.38
4. Step 4: Simplify right side
   2,325.31x = 4,099,035.78
5. Step 5: Solve for x
   x = 4,099,035.78/2,325.31
6. Step 6: Final answer
   x = 1,762.79