Finding the Fourth Proportional to 1,956.30, 2,934.69 and 860.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.30 : 2,934.69 = 860.94 : x
2. Step 2: Convert to fraction form
   1,956.30/2,934.69 = 860.94/x
3. Step 3: Cross multiply
   1,956.30x = 2,934.69 × 860.94
4. Step 4: Simplify right side
   1,956.30x = 2,526,592.01
5. Step 5: Solve for x
   x = 2,526,592.01/1,956.30
6. Step 6: Final answer
   x = 1,291.52