Finding the Fourth Proportional to 3,191.61, 4,404.42 and 1,775.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191.61 : 4,404.42 = 1,775.27 : x
2. Step 2: Convert to fraction form
   3,191.61/4,404.42 = 1,775.27/x
3. Step 3: Cross multiply
   3,191.61x = 4,404.42 × 1,775.27
4. Step 4: Simplify right side
   3,191.61x = 7,819,012.67
5. Step 5: Solve for x
   x = 7,819,012.67/3,191.61
6. Step 6: Final answer
   x = 2,449.86