Finding the Fourth Proportional to 3,443.06, 5,164.79 and 977.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.06 : 5,164.79 = 977.69 : x
2. Step 2: Convert to fraction form
   3,443.06/5,164.79 = 977.69/x
3. Step 3: Cross multiply
   3,443.06x = 5,164.79 × 977.69
4. Step 4: Simplify right side
   3,443.06x = 5,049,563.54
5. Step 5: Solve for x
   x = 5,049,563.54/3,443.06
6. Step 6: Final answer
   x = 1,466.59