Finding the Fourth Proportional to 2,606.69, 3,911.60 and 1,046.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.69 : 3,911.60 = 1,046.48 : x
2. Step 2: Convert to fraction form
   2,606.69/3,911.60 = 1,046.48/x
3. Step 3: Cross multiply
   2,606.69x = 3,911.60 × 1,046.48
4. Step 4: Simplify right side
   2,606.69x = 4,093,394.23
5. Step 5: Solve for x
   x = 4,093,394.23/2,606.69
6. Step 6: Final answer
   x = 1,570.34