Finding the Fourth Proportional to 2,607.08, 3,910.79 and 1,046.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.08 : 3,910.79 = 1,046.88 : x
2. Step 2: Convert to fraction form
   2,607.08/3,910.79 = 1,046.88/x
3. Step 3: Cross multiply
   2,607.08x = 3,910.79 × 1,046.88
4. Step 4: Simplify right side
   2,607.08x = 4,094,132.47
5. Step 5: Solve for x
   x = 4,094,132.47/2,607.08
6. Step 6: Final answer
   x = 1,570.39