Finding the Fourth Proportional to 3,443.24, 5,164.09 and 978.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.24 : 5,164.09 = 978.01 : x
2. Step 2: Convert to fraction form
   3,443.24/5,164.09 = 978.01/x
3. Step 3: Cross multiply
   3,443.24x = 5,164.09 × 978.01
4. Step 4: Simplify right side
   3,443.24x = 5,050,516.31
5. Step 5: Solve for x
   x = 5,050,516.31/3,443.24
6. Step 6: Final answer
   x = 1,466.79