Finding the Fourth Proportional to 1,096.88, 1,513.82 and 624.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.88 : 1,513.82 = 624.92 : x
2. Step 2: Convert to fraction form
   1,096.88/1,513.82 = 624.92/x
3. Step 3: Cross multiply
   1,096.88x = 1,513.82 × 624.92
4. Step 4: Simplify right side
   1,096.88x = 946,010.39
5. Step 5: Solve for x
   x = 946,010.39/1,096.88
6. Step 6: Final answer
   x = 862.46