Finding the Fourth Proportional to 3,443.23, 5,164.26 and 977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.23 : 5,164.26 = 977.50 : x
2. Step 2: Convert to fraction form
   3,443.23/5,164.26 = 977.50/x
3. Step 3: Cross multiply
   3,443.23x = 5,164.26 × 977.50
4. Step 4: Simplify right side
   3,443.23x = 5,048,064.15
5. Step 5: Solve for x
   x = 5,048,064.15/3,443.23
6. Step 6: Final answer
   x = 1,466.08