Finding the Fourth Proportional to 144,103.44, 216,154.89 and 80,102.28

Step by Step Solution

1. Step 1: Write the proportion equation
   144,103.44 : 216,154.89 = 80,102.28 : x
2. Step 2: Convert to fraction form
   144,103.44/216,154.89 = 80,102.28/x
3. Step 3: Cross multiply
   144,103.44x = 216,154.89 × 80,102.28
4. Step 4: Simplify right side
   144,103.44x = 17,314,499,522.15
5. Step 5: Solve for x
   x = 17,314,499,522.15/144,103.44
6. Step 6: Final answer
   x = 120,153.27