Finding the Fourth Proportional to 1,834.56, 2,750.58 and 860.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,834.56 : 2,750.58 = 860.04 : x
2. Step 2: Convert to fraction form
   1,834.56/2,750.58 = 860.04/x
3. Step 3: Cross multiply
   1,834.56x = 2,750.58 × 860.04
4. Step 4: Simplify right side
   1,834.56x = 2,365,608.82
5. Step 5: Solve for x
   x = 2,365,608.82/1,834.56
6. Step 6: Final answer
   x = 1,289.47