Finding the Fourth Proportional to 2,131.32, 3,194.55 and 962.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.32 : 3,194.55 = 962.22 : x
2. Step 2: Convert to fraction form
   2,131.32/3,194.55 = 962.22/x
3. Step 3: Cross multiply
   2,131.32x = 3,194.55 × 962.22
4. Step 4: Simplify right side
   2,131.32x = 3,073,859.90
5. Step 5: Solve for x
   x = 3,073,859.90/2,131.32
6. Step 6: Final answer
   x = 1,442.23