Finding the Fourth Proportional to 2,314.49, 3,194.30 and 1,306.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.49 : 3,194.30 = 1,306.40 : x
2. Step 2: Convert to fraction form
   2,314.49/3,194.30 = 1,306.40/x
3. Step 3: Cross multiply
   2,314.49x = 3,194.30 × 1,306.40
4. Step 4: Simplify right side
   2,314.49x = 4,173,011.02
5. Step 5: Solve for x
   x = 4,173,011.02/2,314.49
6. Step 6: Final answer
   x = 1,803.00