Finding the Fourth Proportional to 104,572.72, 144,310.41 and 56,825.96

Step by Step Solution

1. Step 1: Write the proportion equation
   104,572.72 : 144,310.41 = 56,825.96 : x
2. Step 2: Convert to fraction form
   104,572.72/144,310.41 = 56,825.96/x
3. Step 3: Cross multiply
   104,572.72x = 144,310.41 × 56,825.96
4. Step 4: Simplify right side
   104,572.72x = 8,200,576,864.69
5. Step 5: Solve for x
   x = 8,200,576,864.69/104,572.72
6. Step 6: Final answer
   x = 78,419.85