Finding the Fourth Proportional to 2,325.61, 3,209.25 and 1,277.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.61 : 3,209.25 = 1,277.56 : x
2. Step 2: Convert to fraction form
   2,325.61/3,209.25 = 1,277.56/x
3. Step 3: Cross multiply
   2,325.61x = 3,209.25 × 1,277.56
4. Step 4: Simplify right side
   2,325.61x = 4,100,009.43
5. Step 5: Solve for x
   x = 4,100,009.43/2,325.61
6. Step 6: Final answer
   x = 1,762.98