Finding the Fourth Proportional to 2,514.78, 3,470.38 and 1,395.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.78 : 3,470.38 = 1,395.72 : x
2. Step 2: Convert to fraction form
   2,514.78/3,470.38 = 1,395.72/x
3. Step 3: Cross multiply
   2,514.78x = 3,470.38 × 1,395.72
4. Step 4: Simplify right side
   2,514.78x = 4,843,678.77
5. Step 5: Solve for x
   x = 4,843,678.77/2,514.78
6. Step 6: Final answer
   x = 1,926.08