Finding the Fourth Proportional to 776.00, 1,158.24 and 721.82

Step by Step Solution

1. Step 1: Write the proportion equation
   776.00 : 1,158.24 = 721.82 : x
2. Step 2: Convert to fraction form
   776.00/1,158.24 = 721.82/x
3. Step 3: Cross multiply
   776.00x = 1,158.24 × 721.82
4. Step 4: Simplify right side
   776.00x = 836,035.01
5. Step 5: Solve for x
   x = 836,035.01/776.00
6. Step 6: Final answer
   x = 1,077.37