Finding the Fourth Proportional to 787.27, 1,086.73 and 676.30

Step by Step Solution

1. Step 1: Write the proportion equation
   787.27 : 1,086.73 = 676.30 : x
2. Step 2: Convert to fraction form
   787.27/1,086.73 = 676.30/x
3. Step 3: Cross multiply
   787.27x = 1,086.73 × 676.30
4. Step 4: Simplify right side
   787.27x = 734,955.50
5. Step 5: Solve for x
   x = 734,955.50/787.27
6. Step 6: Final answer
   x = 933.55