Finding the Fourth Proportional to 895.86, 1,236.69 and 860.94

Step by Step Solution

1. Step 1: Write the proportion equation
   895.86 : 1,236.69 = 860.94 : x
2. Step 2: Convert to fraction form
   895.86/1,236.69 = 860.94/x
3. Step 3: Cross multiply
   895.86x = 1,236.69 × 860.94
4. Step 4: Simplify right side
   895.86x = 1,064,715.89
5. Step 5: Solve for x
   x = 1,064,715.89/895.86
6. Step 6: Final answer
   x = 1,188.48