Finding the Fourth Proportional to 10,975.34, 16,464.45 and 3,577.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.34 : 16,464.45 = 3,577.20 : x
2. Step 2: Convert to fraction form
   10,975.34/16,464.45 = 3,577.20/x
3. Step 3: Cross multiply
   10,975.34x = 16,464.45 × 3,577.20
4. Step 4: Simplify right side
   10,975.34x = 58,896,630.54
5. Step 5: Solve for x
   x = 58,896,630.54/10,975.34
6. Step 6: Final answer
   x = 5,366.27