Finding the Fourth Proportional to 2,472.60, 3,710.37 and 913.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.60 : 3,710.37 = 913.71 : x
2. Step 2: Convert to fraction form
   2,472.60/3,710.37 = 913.71/x
3. Step 3: Cross multiply
   2,472.60x = 3,710.37 × 913.71
4. Step 4: Simplify right side
   2,472.60x = 3,390,191.79
5. Step 5: Solve for x
   x = 3,390,191.79/2,472.60
6. Step 6: Final answer
   x = 1,371.10