Finding the Fourth Proportional to 1,096.41, 1,513.08 and 624.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.41 : 1,513.08 = 624.29 : x
2. Step 2: Convert to fraction form
   1,096.41/1,513.08 = 624.29/x
3. Step 3: Cross multiply
   1,096.41x = 1,513.08 × 624.29
4. Step 4: Simplify right side
   1,096.41x = 944,593.15
5. Step 5: Solve for x
   x = 944,593.15/1,096.41
6. Step 6: Final answer
   x = 861.53