Finding the Fourth Proportional to 2,904.05, 4,356.72 and 956.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.05 : 4,356.72 = 956.12 : x
2. Step 2: Convert to fraction form
   2,904.05/4,356.72 = 956.12/x
3. Step 3: Cross multiply
   2,904.05x = 4,356.72 × 956.12
4. Step 4: Simplify right side
   2,904.05x = 4,165,547.13
5. Step 5: Solve for x
   x = 4,165,547.13/2,904.05
6. Step 6: Final answer
   x = 1,434.39