Finding the Fourth Proportional to 105,025.49, 144,910.27 and 59,699.92

Step by Step Solution

1. Step 1: Write the proportion equation
   105,025.49 : 144,910.27 = 59,699.92 : x
2. Step 2: Convert to fraction form
   105,025.49/144,910.27 = 59,699.92/x
3. Step 3: Cross multiply
   105,025.49x = 144,910.27 × 59,699.92
4. Step 4: Simplify right side
   105,025.49x = 8,651,131,174.42
5. Step 5: Solve for x
   x = 8,651,131,174.42/105,025.49
6. Step 6: Final answer
   x = 82,371.73