Finding the Fourth Proportional to 2,608.47, 3,910.24 and 875.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.47 : 3,910.24 = 875.88 : x
2. Step 2: Convert to fraction form
   2,608.47/3,910.24 = 875.88/x
3. Step 3: Cross multiply
   2,608.47x = 3,910.24 × 875.88
4. Step 4: Simplify right side
   2,608.47x = 3,424,901.01
5. Step 5: Solve for x
   x = 3,424,901.01/2,608.47
6. Step 6: Final answer
   x = 1,312.99