Finding the Fourth Proportional to 104,359.38, 144,016.22 and 56,612.73

Step by Step Solution

1. Step 1: Write the proportion equation
   104,359.38 : 144,016.22 = 56,612.73 : x
2. Step 2: Convert to fraction form
   104,359.38/144,016.22 = 56,612.73/x
3. Step 3: Cross multiply
   104,359.38x = 144,016.22 × 56,612.73
4. Step 4: Simplify right side
   104,359.38x = 8,153,150,676.63
5. Step 5: Solve for x
   x = 8,153,150,676.63/104,359.38
6. Step 6: Final answer
   x = 78,125.71