Finding the Fourth Proportional to 144,429.67, 199,322.13 and 80,772.18

Step by Step Solution

1. Step 1: Write the proportion equation
   144,429.67 : 199,322.13 = 80,772.18 : x
2. Step 2: Convert to fraction form
   144,429.67/199,322.13 = 80,772.18/x
3. Step 3: Cross multiply
   144,429.67x = 199,322.13 × 80,772.18
4. Step 4: Simplify right side
   144,429.67x = 16,099,682,962.34
5. Step 5: Solve for x
   x = 16,099,682,962.34/144,429.67
6. Step 6: Final answer
   x = 111,470.75