Finding the Fourth Proportional to 10,490.83, 15,738.69 and 3,470.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,490.83 : 15,738.69 = 3,470.56 : x
2. Step 2: Convert to fraction form
   10,490.83/15,738.69 = 3,470.56/x
3. Step 3: Cross multiply
   10,490.83x = 15,738.69 × 3,470.56
4. Step 4: Simplify right side
   10,490.83x = 54,622,067.97
5. Step 5: Solve for x
   x = 54,622,067.97/10,490.83
6. Step 6: Final answer
   x = 5,206.65