Finding the Fourth Proportional to 2,641.41, 3,959.13 and 1,252.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.41 : 3,959.13 = 1,252.82 : x
2. Step 2: Convert to fraction form
   2,641.41/3,959.13 = 1,252.82/x
3. Step 3: Cross multiply
   2,641.41x = 3,959.13 × 1,252.82
4. Step 4: Simplify right side
   2,641.41x = 4,960,062.53
5. Step 5: Solve for x
   x = 4,960,062.53/2,641.41
6. Step 6: Final answer
   x = 1,877.81