Finding the Fourth Proportional to 7,109.42, 10,662.06 and 2,177.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109.42 : 10,662.06 = 2,177.96 : x
2. Step 2: Convert to fraction form
   7,109.42/10,662.06 = 2,177.96/x
3. Step 3: Cross multiply
   7,109.42x = 10,662.06 × 2,177.96
4. Step 4: Simplify right side
   7,109.42x = 23,221,540.20
5. Step 5: Solve for x
   x = 23,221,540.20/7,109.42
6. Step 6: Final answer
   x = 3,266.31