Finding the Fourth Proportional to 80,146.17, 120,134.48 and 30,204.63

Step by Step Solution

1. Step 1: Write the proportion equation
   80,146.17 : 120,134.48 = 30,204.63 : x
2. Step 2: Convert to fraction form
   80,146.17/120,134.48 = 30,204.63/x
3. Step 3: Cross multiply
   80,146.17x = 120,134.48 × 30,204.63
4. Step 4: Simplify right side
   80,146.17x = 3,628,617,367.62
5. Step 5: Solve for x
   x = 3,628,617,367.62/80,146.17
6. Step 6: Final answer
   x = 45,274.99