Finding the Fourth Proportional to 2,116.32, 3,175.76 and 962.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.32 : 3,175.76 = 962.40 : x
2. Step 2: Convert to fraction form
   2,116.32/3,175.76 = 962.40/x
3. Step 3: Cross multiply
   2,116.32x = 3,175.76 × 962.40
4. Step 4: Simplify right side
   2,116.32x = 3,056,351.42
5. Step 5: Solve for x
   x = 3,056,351.42/2,116.32
6. Step 6: Final answer
   x = 1,444.18