Finding the Fourth Proportional to 3,443.21, 5,164.04 and 977.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.21 : 5,164.04 = 977.37 : x
2. Step 2: Convert to fraction form
   3,443.21/5,164.04 = 977.37/x
3. Step 3: Cross multiply
   3,443.21x = 5,164.04 × 977.37
4. Step 4: Simplify right side
   3,443.21x = 5,047,172.89
5. Step 5: Solve for x
   x = 5,047,172.89/3,443.21
6. Step 6: Final answer
   x = 1,465.84