Finding the Fourth Proportional to 2,291.91, 3,437.86 and 1,559.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.91 : 3,437.86 = 1,559.67 : x
2. Step 2: Convert to fraction form
   2,291.91/3,437.86 = 1,559.67/x
3. Step 3: Cross multiply
   2,291.91x = 3,437.86 × 1,559.67
4. Step 4: Simplify right side
   2,291.91x = 5,361,923.21
5. Step 5: Solve for x
   x = 5,361,923.21/2,291.91
6. Step 6: Final answer
   x = 2,339.50