Finding the Fourth Proportional to 2,180.25, 3,008.61 and 1,295.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.25 : 3,008.61 = 1,295.55 : x
2. Step 2: Convert to fraction form
   2,180.25/3,008.61 = 1,295.55/x
3. Step 3: Cross multiply
   2,180.25x = 3,008.61 × 1,295.55
4. Step 4: Simplify right side
   2,180.25x = 3,897,804.69
5. Step 5: Solve for x
   x = 3,897,804.69/2,180.25
6. Step 6: Final answer
   x = 1,787.78