Finding the Fourth Proportional to 104,443.91, 144,132.89 and 56,697.29

Step by Step Solution

1. Step 1: Write the proportion equation
   104,443.91 : 144,132.89 = 56,697.29 : x
2. Step 2: Convert to fraction form
   104,443.91/144,132.89 = 56,697.29/x
3. Step 3: Cross multiply
   104,443.91x = 144,132.89 × 56,697.29
4. Step 4: Simplify right side
   104,443.91x = 8,171,944,262.87
5. Step 5: Solve for x
   x = 8,171,944,262.87/104,443.91
6. Step 6: Final answer
   x = 78,242.42