Finding the Fourth Proportional to 144,736.56, 199,734.12 and 81,074.16

Step by Step Solution

1. Step 1: Write the proportion equation
   144,736.56 : 199,734.12 = 81,074.16 : x
2. Step 2: Convert to fraction form
   144,736.56/199,734.12 = 81,074.16/x
3. Step 3: Cross multiply
   144,736.56x = 199,734.12 × 81,074.16
4. Step 4: Simplify right side
   144,736.56x = 16,193,276,002.34
5. Step 5: Solve for x
   x = 16,193,276,002.34/144,736.56
6. Step 6: Final answer
   x = 111,881.03