Finding the Fourth Proportional to 2,945.47, 4,063.20 and 1,826.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.47 : 4,063.20 = 1,826.05 : x
2. Step 2: Convert to fraction form
   2,945.47/4,063.20 = 1,826.05/x
3. Step 3: Cross multiply
   2,945.47x = 4,063.20 × 1,826.05
4. Step 4: Simplify right side
   2,945.47x = 7,419,606.36
5. Step 5: Solve for x
   x = 7,419,606.36/2,945.47
6. Step 6: Final answer
   x = 2,518.99