Finding the Fourth Proportional to 2,406.66, 3,610.46 and 847.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.66 : 3,610.46 = 847.10 : x
2. Step 2: Convert to fraction form
   2,406.66/3,610.46 = 847.10/x
3. Step 3: Cross multiply
   2,406.66x = 3,610.46 × 847.10
4. Step 4: Simplify right side
   2,406.66x = 3,058,420.67
5. Step 5: Solve for x
   x = 3,058,420.67/2,406.66
6. Step 6: Final answer
   x = 1,270.82