Finding the Fourth Proportional to 80,287.27, 120,541.47 and 40,871.86

Step by Step Solution

1. Step 1: Write the proportion equation
   80,287.27 : 120,541.47 = 40,871.86 : x
2. Step 2: Convert to fraction form
   80,287.27/120,541.47 = 40,871.86/x
3. Step 3: Cross multiply
   80,287.27x = 120,541.47 × 40,871.86
4. Step 4: Simplify right side
   80,287.27x = 4,926,754,086.03
5. Step 5: Solve for x
   x = 4,926,754,086.03/80,287.27
6. Step 6: Final answer
   x = 61,364.08