Finding the Fourth Proportional to 71,131.84, 106,764.72 and 36,096.64

Step by Step Solution

1. Step 1: Write the proportion equation
   71,131.84 : 106,764.72 = 36,096.64 : x
2. Step 2: Convert to fraction form
   71,131.84/106,764.72 = 36,096.64/x
3. Step 3: Cross multiply
   71,131.84x = 106,764.72 × 36,096.64
4. Step 4: Simplify right side
   71,131.84x = 3,853,847,662.54
5. Step 5: Solve for x
   x = 3,853,847,662.54/71,131.84
6. Step 6: Final answer
   x = 54,178.94