Finding the Fourth Proportional to 80,271.29, 120,412.71 and 27,680.02

Step by Step Solution

1. Step 1: Write the proportion equation
   80,271.29 : 120,412.71 = 27,680.02 : x
2. Step 2: Convert to fraction form
   80,271.29/120,412.71 = 27,680.02/x
3. Step 3: Cross multiply
   80,271.29x = 120,412.71 × 27,680.02
4. Step 4: Simplify right side
   80,271.29x = 3,333,025,920.02
5. Step 5: Solve for x
   x = 3,333,025,920.02/80,271.29
6. Step 6: Final answer
   x = 41,522.02