Finding the Fourth Proportional to 2,415.82, 3,625.34 and 876.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.82 : 3,625.34 = 876.82 : x
2. Step 2: Convert to fraction form
   2,415.82/3,625.34 = 876.82/x
3. Step 3: Cross multiply
   2,415.82x = 3,625.34 × 876.82
4. Step 4: Simplify right side
   2,415.82x = 3,178,752.49
5. Step 5: Solve for x
   x = 3,178,752.49/2,415.82
6. Step 6: Final answer
   x = 1,315.81