Finding the Fourth Proportional to 2,279.89, 3,417.67 and 982.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.89 : 3,417.67 = 982.27 : x
2. Step 2: Convert to fraction form
   2,279.89/3,417.67 = 982.27/x
3. Step 3: Cross multiply
   2,279.89x = 3,417.67 × 982.27
4. Step 4: Simplify right side
   2,279.89x = 3,357,074.71
5. Step 5: Solve for x
   x = 3,357,074.71/2,279.89
6. Step 6: Final answer
   x = 1,472.47