Finding the Fourth Proportional to 2,323.21, 3,484.43 and 862.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.21 : 3,484.43 = 862.02 : x
2. Step 2: Convert to fraction form
   2,323.21/3,484.43 = 862.02/x
3. Step 3: Cross multiply
   2,323.21x = 3,484.43 × 862.02
4. Step 4: Simplify right side
   2,323.21x = 3,003,648.35
5. Step 5: Solve for x
   x = 3,003,648.35/2,323.21
6. Step 6: Final answer
   x = 1,292.89