Finding the Fourth Proportional to 1,171.04, 1,616.27 and 772.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.04 : 1,616.27 = 772.00 : x
2. Step 2: Convert to fraction form
   1,171.04/1,616.27 = 772.00/x
3. Step 3: Cross multiply
   1,171.04x = 1,616.27 × 772.00
4. Step 4: Simplify right side
   1,171.04x = 1,247,752.54
5. Step 5: Solve for x
   x = 1,247,752.54/1,171.04
6. Step 6: Final answer
   x = 1,065.51