Finding the Fourth Proportional to 144,665.56, 199,641.68 and 82,574.79

Step by Step Solution

1. Step 1: Write the proportion equation
   144,665.56 : 199,641.68 = 82,574.79 : x
2. Step 2: Convert to fraction form
   144,665.56/199,641.68 = 82,574.79/x
3. Step 3: Cross multiply
   144,665.56x = 199,641.68 × 82,574.79
4. Step 4: Simplify right side
   144,665.56x = 16,485,368,949.37
5. Step 5: Solve for x
   x = 16,485,368,949.37/144,665.56
6. Step 6: Final answer
   x = 113,955.03