Finding the Fourth Proportional to 3,404.70, 4,703.27 and 2,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.70 : 4,703.27 = 2,628.72 : x
2. Step 2: Convert to fraction form
   3,404.70/4,703.27 = 2,628.72/x
3. Step 3: Cross multiply
   3,404.70x = 4,703.27 × 2,628.72
4. Step 4: Simplify right side
   3,404.70x = 12,363,566.77
5. Step 5: Solve for x
   x = 12,363,566.77/3,404.70
6. Step 6: Final answer
   x = 3,631.32