Finding the Fourth Proportional to 2,513.63, 3,761.18 and 1,960.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.63 : 3,761.18 = 1,960.05 : x
2. Step 2: Convert to fraction form
   2,513.63/3,761.18 = 1,960.05/x
3. Step 3: Cross multiply
   2,513.63x = 3,761.18 × 1,960.05
4. Step 4: Simplify right side
   2,513.63x = 7,372,102.38
5. Step 5: Solve for x
   x = 7,372,102.38/2,513.63
6. Step 6: Final answer
   x = 2,932.85