Finding the Fourth Proportional to 1,096.34, 1,513.13 and 624.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.34 : 1,513.13 = 624.24 : x
2. Step 2: Convert to fraction form
   1,096.34/1,513.13 = 624.24/x
3. Step 3: Cross multiply
   1,096.34x = 1,513.13 × 624.24
4. Step 4: Simplify right side
   1,096.34x = 944,556.27
5. Step 5: Solve for x
   x = 944,556.27/1,096.34
6. Step 6: Final answer
   x = 861.55