Finding the Fourth Proportional to 2,471.72, 3,706.34 and 910.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.72 : 3,706.34 = 910.62 : x
2. Step 2: Convert to fraction form
   2,471.72/3,706.34 = 910.62/x
3. Step 3: Cross multiply
   2,471.72x = 3,706.34 × 910.62
4. Step 4: Simplify right side
   2,471.72x = 3,375,067.33
5. Step 5: Solve for x
   x = 3,375,067.33/2,471.72
6. Step 6: Final answer
   x = 1,365.47