Finding the Fourth Proportional to 3,404.23, 5,109.60 and 1,761.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.23 : 5,109.60 = 1,761.95 : x
2. Step 2: Convert to fraction form
   3,404.23/5,109.60 = 1,761.95/x
3. Step 3: Cross multiply
   3,404.23x = 5,109.60 × 1,761.95
4. Step 4: Simplify right side
   3,404.23x = 9,002,859.72
5. Step 5: Solve for x
   x = 9,002,859.72/3,404.23
6. Step 6: Final answer
   x = 2,644.61