Finding the Fourth Proportional to 2,945.72, 4,063.54 and 1,826.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.72 : 4,063.54 = 1,826.30 : x
2. Step 2: Convert to fraction form
   2,945.72/4,063.54 = 1,826.30/x
3. Step 3: Cross multiply
   2,945.72x = 4,063.54 × 1,826.30
4. Step 4: Simplify right side
   2,945.72x = 7,421,243.10
5. Step 5: Solve for x
   x = 7,421,243.10/2,945.72
6. Step 6: Final answer
   x = 2,519.33