Finding the Fourth Proportional to 2,470.78, 3,708.60 and 1,498.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.78 : 3,708.60 = 1,498.78 : x
2. Step 2: Convert to fraction form
   2,470.78/3,708.60 = 1,498.78/x
3. Step 3: Cross multiply
   2,470.78x = 3,708.60 × 1,498.78
4. Step 4: Simplify right side
   2,470.78x = 5,558,375.51
5. Step 5: Solve for x
   x = 5,558,375.51/2,470.78
6. Step 6: Final answer
   x = 2,249.64