Finding the Fourth Proportional to 2,279.96, 3,417.50 and 1,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.96 : 3,417.50 = 1,628.72 : x
2. Step 2: Convert to fraction form
   2,279.96/3,417.50 = 1,628.72/x
3. Step 3: Cross multiply
   2,279.96x = 3,417.50 × 1,628.72
4. Step 4: Simplify right side
   2,279.96x = 5,566,125.37
5. Step 5: Solve for x
   x = 5,566,125.37/2,279.96
6. Step 6: Final answer
   x = 2,441.33