Finding the Fourth Proportional to 2,300.49, 3,171.85 and 1,945.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.49 : 3,171.85 = 1,945.78 : x
2. Step 2: Convert to fraction form
   2,300.49/3,171.85 = 1,945.78/x
3. Step 3: Cross multiply
   2,300.49x = 3,171.85 × 1,945.78
4. Step 4: Simplify right side
   2,300.49x = 6,171,709.50
5. Step 5: Solve for x
   x = 6,171,709.50/2,300.49
6. Step 6: Final answer
   x = 2,682.78