Finding the Fourth Proportional to 3,422.12, 5,132.16 and 956.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,422.12 : 5,132.16 = 956.34 : x
2. Step 2: Convert to fraction form
   3,422.12/5,132.16 = 956.34/x
3. Step 3: Cross multiply
   3,422.12x = 5,132.16 × 956.34
4. Step 4: Simplify right side
   3,422.12x = 4,908,089.89
5. Step 5: Solve for x
   x = 4,908,089.89/3,422.12
6. Step 6: Final answer
   x = 1,434.23