Finding the Fourth Proportional to 2,325.81, 3,209.59 and 1,277.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.81 : 3,209.59 = 1,277.88 : x
2. Step 2: Convert to fraction form
   2,325.81/3,209.59 = 1,277.88/x
3. Step 3: Cross multiply
   2,325.81x = 3,209.59 × 1,277.88
4. Step 4: Simplify right side
   2,325.81x = 4,101,460.43
5. Step 5: Solve for x
   x = 4,101,460.43/2,325.81
6. Step 6: Final answer
   x = 1,763.45