Finding the Fourth Proportional to 1,956.72, 2,934.03 and 859.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.72 : 2,934.03 = 859.82 : x
2. Step 2: Convert to fraction form
   1,956.72/2,934.03 = 859.82/x
3. Step 3: Cross multiply
   1,956.72x = 2,934.03 × 859.82
4. Step 4: Simplify right side
   1,956.72x = 2,522,737.67
5. Step 5: Solve for x
   x = 2,522,737.67/1,956.72
6. Step 6: Final answer
   x = 1,289.27