Finding the Fourth Proportional to 2,314.94, 3,194.50 and 1,320.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.94 : 3,194.50 = 1,320.30 : x
2. Step 2: Convert to fraction form
   2,314.94/3,194.50 = 1,320.30/x
3. Step 3: Cross multiply
   2,314.94x = 3,194.50 × 1,320.30
4. Step 4: Simplify right side
   2,314.94x = 4,217,698.35
5. Step 5: Solve for x
   x = 4,217,698.35/2,314.94
6. Step 6: Final answer
   x = 1,821.95