Finding the Fourth Proportional to 1,216.21, 1,677.48 and 795.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216.21 : 1,677.48 = 795.89 : x
2. Step 2: Convert to fraction form
   1,216.21/1,677.48 = 795.89/x
3. Step 3: Cross multiply
   1,216.21x = 1,677.48 × 795.89
4. Step 4: Simplify right side
   1,216.21x = 1,335,089.56
5. Step 5: Solve for x
   x = 1,335,089.56/1,216.21
6. Step 6: Final answer
   x = 1,097.75