Finding the Fourth Proportional to 978.50, 1,350.33 and 895.88

Step by Step Solution

1. Step 1: Write the proportion equation
   978.50 : 1,350.33 = 895.88 : x
2. Step 2: Convert to fraction form
   978.50/1,350.33 = 895.88/x
3. Step 3: Cross multiply
   978.50x = 1,350.33 × 895.88
4. Step 4: Simplify right side
   978.50x = 1,209,733.64
5. Step 5: Solve for x
   x = 1,209,733.64/978.50
6. Step 6: Final answer
   x = 1,236.31