Finding the Fourth Proportional to 2,945.54, 4,426.68 and 2,836.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.54 : 4,426.68 = 2,836.46 : x
2. Step 2: Convert to fraction form
   2,945.54/4,426.68 = 2,836.46/x
3. Step 3: Cross multiply
   2,945.54x = 4,426.68 × 2,836.46
4. Step 4: Simplify right side
   2,945.54x = 12,556,100.75
5. Step 5: Solve for x
   x = 12,556,100.75/2,945.54
6. Step 6: Final answer
   x = 4,262.75