Finding the Fourth Proportional to 1,479.71, 2,041.12 and 956.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.71 : 2,041.12 = 956.05 : x
2. Step 2: Convert to fraction form
   1,479.71/2,041.12 = 956.05/x
3. Step 3: Cross multiply
   1,479.71x = 2,041.12 × 956.05
4. Step 4: Simplify right side
   1,479.71x = 1,951,412.78
5. Step 5: Solve for x
   x = 1,951,412.78/1,479.71
6. Step 6: Final answer
   x = 1,318.78