Finding the Fourth Proportional to 2,507.76, 3,761.63 and 1,960.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.76 : 3,761.63 = 1,960.41 : x
2. Step 2: Convert to fraction form
   2,507.76/3,761.63 = 1,960.41/x
3. Step 3: Cross multiply
   2,507.76x = 3,761.63 × 1,960.41
4. Step 4: Simplify right side
   2,507.76x = 7,374,320.51
5. Step 5: Solve for x
   x = 7,374,320.51/2,507.76
6. Step 6: Final answer
   x = 2,940.60