Finding the Fourth Proportional to 844.43, 1,267.00 and 776.31

Step by Step Solution

1. Step 1: Write the proportion equation
   844.43 : 1,267.00 = 776.31 : x
2. Step 2: Convert to fraction form
   844.43/1,267.00 = 776.31/x
3. Step 3: Cross multiply
   844.43x = 1,267.00 × 776.31
4. Step 4: Simplify right side
   844.43x = 983,580.89
5. Step 5: Solve for x
   x = 983,580.89/844.43
6. Step 6: Final answer
   x = 1,164.79