Finding the Fourth Proportional to 2,272.80, 3,404.34 and 1,404.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.80 : 3,404.34 = 1,404.48 : x
2. Step 2: Convert to fraction form
   2,272.80/3,404.34 = 1,404.48/x
3. Step 3: Cross multiply
   2,272.80x = 3,404.34 × 1,404.48
4. Step 4: Simplify right side
   2,272.80x = 4,781,327.44
5. Step 5: Solve for x
   x = 4,781,327.44/2,272.80
6. Step 6: Final answer
   x = 2,103.72