Finding the Fourth Proportional to 2,314.86, 3,194.54 and 1,320.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.86 : 3,194.54 = 1,320.20 : x
2. Step 2: Convert to fraction form
   2,314.86/3,194.54 = 1,320.20/x
3. Step 3: Cross multiply
   2,314.86x = 3,194.54 × 1,320.20
4. Step 4: Simplify right side
   2,314.86x = 4,217,435.05
5. Step 5: Solve for x
   x = 4,217,435.05/2,314.86
6. Step 6: Final answer
   x = 1,821.89