Finding the Fourth Proportional to 144,719.56, 199,714.98 and 81,056.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,719.56 : 199,714.98 = 81,056.84 : x
2. Step 2: Convert to fraction form
   144,719.56/199,714.98 = 81,056.84/x
3. Step 3: Cross multiply
   144,719.56x = 199,714.98 × 81,056.84
4. Step 4: Simplify right side
   144,719.56x = 16,188,265,179.46
5. Step 5: Solve for x
   x = 16,188,265,179.46/144,719.56
6. Step 6: Final answer
   x = 111,859.55