Finding the Fourth Proportional to 2,606.82, 3,910.41 and 875.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.82 : 3,910.41 = 875.58 : x
2. Step 2: Convert to fraction form
   2,606.82/3,910.41 = 875.58/x
3. Step 3: Cross multiply
   2,606.82x = 3,910.41 × 875.58
4. Step 4: Simplify right side
   2,606.82x = 3,423,876.79
5. Step 5: Solve for x
   x = 3,423,876.79/2,606.82
6. Step 6: Final answer
   x = 1,313.43