Finding the Fourth Proportional to 1,956.64, 2,933.52 and 1,379.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.64 : 2,933.52 = 1,379.20 : x
2. Step 2: Convert to fraction form
   1,956.64/2,933.52 = 1,379.20/x
3. Step 3: Cross multiply
   1,956.64x = 2,933.52 × 1,379.20
4. Step 4: Simplify right side
   1,956.64x = 4,045,910.78
5. Step 5: Solve for x
   x = 4,045,910.78/1,956.64
6. Step 6: Final answer
   x = 2,067.78