Finding the Fourth Proportional to 1,093.18, 1,508.25 and 627.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.18 : 1,508.25 = 627.34 : x
2. Step 2: Convert to fraction form
   1,093.18/1,508.25 = 627.34/x
3. Step 3: Cross multiply
   1,093.18x = 1,508.25 × 627.34
4. Step 4: Simplify right side
   1,093.18x = 946,185.56
5. Step 5: Solve for x
   x = 946,185.56/1,093.18
6. Step 6: Final answer
   x = 865.54