Finding the Fourth Proportional to 2,134.90, 3,201.72 and 964.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.90 : 3,201.72 = 964.23 : x
2. Step 2: Convert to fraction form
   2,134.90/3,201.72 = 964.23/x
3. Step 3: Cross multiply
   2,134.90x = 3,201.72 × 964.23
4. Step 4: Simplify right side
   2,134.90x = 3,087,194.48
5. Step 5: Solve for x
   x = 3,087,194.48/2,134.90
6. Step 6: Final answer
   x = 1,446.06