Finding the Fourth Proportional to 804.96, 1,111.10 and 627.39

Step by Step Solution

1. Step 1: Write the proportion equation
   804.96 : 1,111.10 = 627.39 : x
2. Step 2: Convert to fraction form
   804.96/1,111.10 = 627.39/x
3. Step 3: Cross multiply
   804.96x = 1,111.10 × 627.39
4. Step 4: Simplify right side
   804.96x = 697,089.89
5. Step 5: Solve for x
   x = 697,089.89/804.96
6. Step 6: Final answer
   x = 865.99