Finding the Fourth Proportional to 1,096.59, 1,513.30 and 624.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.59 : 1,513.30 = 624.46 : x
2. Step 2: Convert to fraction form
   1,096.59/1,513.30 = 624.46/x
3. Step 3: Cross multiply
   1,096.59x = 1,513.30 × 624.46
4. Step 4: Simplify right side
   1,096.59x = 944,995.98
5. Step 5: Solve for x
   x = 944,995.98/1,096.59
6. Step 6: Final answer
   x = 861.76