Finding the Fourth Proportional to 2,878.38, 4,296.56 and 2,470.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878.38 : 4,296.56 = 2,470.14 : x
2. Step 2: Convert to fraction form
   2,878.38/4,296.56 = 2,470.14/x
3. Step 3: Cross multiply
   2,878.38x = 4,296.56 × 2,470.14
4. Step 4: Simplify right side
   2,878.38x = 10,613,092.37
5. Step 5: Solve for x
   x = 10,613,092.37/2,878.38
6. Step 6: Final answer
   x = 3,687.18