Finding the Fourth Proportional to 8,709.55, 13,055.37 and 3,442.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,709.55 : 13,055.37 = 3,442.42 : x
2. Step 2: Convert to fraction form
   8,709.55/13,055.37 = 3,442.42/x
3. Step 3: Cross multiply
   8,709.55x = 13,055.37 × 3,442.42
4. Step 4: Simplify right side
   8,709.55x = 44,942,066.80
5. Step 5: Solve for x
   x = 44,942,066.80/8,709.55
6. Step 6: Final answer
   x = 5,160.09