Finding the Fourth Proportional to 144,978.12, 200,081.88 and 80,453.42

Step by Step Solution

1. Step 1: Write the proportion equation
   144,978.12 : 200,081.88 = 80,453.42 : x
2. Step 2: Convert to fraction form
   144,978.12/200,081.88 = 80,453.42/x
3. Step 3: Cross multiply
   144,978.12x = 200,081.88 × 80,453.42
4. Step 4: Simplify right side
   144,978.12x = 16,097,271,526.03
5. Step 5: Solve for x
   x = 16,097,271,526.03/144,978.12
6. Step 6: Final answer
   x = 111,032.42