Finding the Fourth Proportional to 2,712.78, 3,743.58 and 1,470.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.78 : 3,743.58 = 1,470.78 : x
2. Step 2: Convert to fraction form
   2,712.78/3,743.58 = 1,470.78/x
3. Step 3: Cross multiply
   2,712.78x = 3,743.58 × 1,470.78
4. Step 4: Simplify right side
   2,712.78x = 5,505,982.59
5. Step 5: Solve for x
   x = 5,505,982.59/2,712.78
6. Step 6: Final answer
   x = 2,029.65