Finding the Fourth Proportional to 2,354.40, 3,256.81 and 2,194.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.40 : 3,256.81 = 2,194.83 : x
2. Step 2: Convert to fraction form
   2,354.40/3,256.81 = 2,194.83/x
3. Step 3: Cross multiply
   2,354.40x = 3,256.81 × 2,194.83
4. Step 4: Simplify right side
   2,354.40x = 7,148,138.81
5. Step 5: Solve for x
   x = 7,148,138.81/2,354.40
6. Step 6: Final answer
   x = 3,036.08