Finding the Fourth Proportional to 1,228.52, 1,695.32 and 676.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228.52 : 1,695.32 = 676.52 : x
2. Step 2: Convert to fraction form
   1,228.52/1,695.32 = 676.52/x
3. Step 3: Cross multiply
   1,228.52x = 1,695.32 × 676.52
4. Step 4: Simplify right side
   1,228.52x = 1,146,917.89
5. Step 5: Solve for x
   x = 1,146,917.89/1,228.52
6. Step 6: Final answer
   x = 933.58