Finding the Fourth Proportional to 144,416.42, 199,300.10 and 80,754.06

Step by Step Solution

1. Step 1: Write the proportion equation
   144,416.42 : 199,300.10 = 80,754.06 : x
2. Step 2: Convert to fraction form
   144,416.42/199,300.10 = 80,754.06/x
3. Step 3: Cross multiply
   144,416.42x = 199,300.10 × 80,754.06
4. Step 4: Simplify right side
   144,416.42x = 16,094,292,577.01
5. Step 5: Solve for x
   x = 16,094,292,577.01/144,416.42
6. Step 6: Final answer
   x = 111,443.65