Finding the Fourth Proportional to 144,722.31, 199,714.46 and 81,059.91

Step by Step Solution

1. Step 1: Write the proportion equation
   144,722.31 : 199,714.46 = 81,059.91 : x
2. Step 2: Convert to fraction form
   144,722.31/199,714.46 = 81,059.91/x
3. Step 3: Cross multiply
   144,722.31x = 199,714.46 × 81,059.91
4. Step 4: Simplify right side
   144,722.31x = 16,188,835,748.00
5. Step 5: Solve for x
   x = 16,188,835,748.00/144,722.31
6. Step 6: Final answer
   x = 111,861.37