Finding the Fourth Proportional to 2,904.42, 4,355.40 and 956.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.42 : 4,355.40 = 956.16 : x
2. Step 2: Convert to fraction form
   2,904.42/4,355.40 = 956.16/x
3. Step 3: Cross multiply
   2,904.42x = 4,355.40 × 956.16
4. Step 4: Simplify right side
   2,904.42x = 4,164,459.26
5. Step 5: Solve for x
   x = 4,164,459.26/2,904.42
6. Step 6: Final answer
   x = 1,433.84