Finding the Fourth Proportional to 2,325.72, 3,209.55 and 1,277.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.72 : 3,209.55 = 1,277.79 : x
2. Step 2: Convert to fraction form
   2,325.72/3,209.55 = 1,277.79/x
3. Step 3: Cross multiply
   2,325.72x = 3,209.55 × 1,277.79
4. Step 4: Simplify right side
   2,325.72x = 4,101,114.85
5. Step 5: Solve for x
   x = 4,101,114.85/2,325.72
6. Step 6: Final answer
   x = 1,763.37