Finding the Fourth Proportional to 2,793.60, 4,187.34 and 1,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793.60 : 4,187.34 = 1,404.72 : x
2. Step 2: Convert to fraction form
   2,793.60/4,187.34 = 1,404.72/x
3. Step 3: Cross multiply
   2,793.60x = 4,187.34 × 1,404.72
4. Step 4: Simplify right side
   2,793.60x = 5,882,040.24
5. Step 5: Solve for x
   x = 5,882,040.24/2,793.60
6. Step 6: Final answer
   x = 2,105.54