Finding the Fourth Proportional to 2,289.69, 3,159.61 and 1,295.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289.69 : 3,159.61 = 1,295.06 : x
2. Step 2: Convert to fraction form
   2,289.69/3,159.61 = 1,295.06/x
3. Step 3: Cross multiply
   2,289.69x = 3,159.61 × 1,295.06
4. Step 4: Simplify right side
   2,289.69x = 4,091,865.49
5. Step 5: Solve for x
   x = 4,091,865.49/2,289.69
6. Step 6: Final answer
   x = 1,787.08