Finding the Fourth Proportional to 2,234.08, 3,085.39 and 1,396.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.08 : 3,085.39 = 1,396.74 : x
2. Step 2: Convert to fraction form
   2,234.08/3,085.39 = 1,396.74/x
3. Step 3: Cross multiply
   2,234.08x = 3,085.39 × 1,396.74
4. Step 4: Simplify right side
   2,234.08x = 4,309,500.94
5. Step 5: Solve for x
   x = 4,309,500.94/2,234.08
6. Step 6: Final answer
   x = 1,928.98