Finding the Fourth Proportional to 2,191.55, 3,023.25 and 1,306.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.55 : 3,023.25 = 1,306.73 : x
2. Step 2: Convert to fraction form
   2,191.55/3,023.25 = 1,306.73/x
3. Step 3: Cross multiply
   2,191.55x = 3,023.25 × 1,306.73
4. Step 4: Simplify right side
   2,191.55x = 3,950,571.47
5. Step 5: Solve for x
   x = 3,950,571.47/2,191.55
6. Step 6: Final answer
   x = 1,802.64