Finding the Fourth Proportional to 3,443.36, 5,164.38 and 977.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.36 : 5,164.38 = 977.54 : x
2. Step 2: Convert to fraction form
   3,443.36/5,164.38 = 977.54/x
3. Step 3: Cross multiply
   3,443.36x = 5,164.38 × 977.54
4. Step 4: Simplify right side
   3,443.36x = 5,048,388.03
5. Step 5: Solve for x
   x = 5,048,388.03/3,443.36
6. Step 6: Final answer
   x = 1,466.12