Finding the Fourth Proportional to 2,323.37, 3,484.45 and 861.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.37 : 3,484.45 = 861.73 : x
2. Step 2: Convert to fraction form
   2,323.37/3,484.45 = 861.73/x
3. Step 3: Cross multiply
   2,323.37x = 3,484.45 × 861.73
4. Step 4: Simplify right side
   2,323.37x = 3,002,655.10
5. Step 5: Solve for x
   x = 3,002,655.10/2,323.37
6. Step 6: Final answer
   x = 1,292.37