Finding the Fourth Proportional to 105,018.09, 144,933.57 and 59,710.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,018.09 : 144,933.57 = 59,710.29 : x
2. Step 2: Convert to fraction form
   105,018.09/144,933.57 = 59,710.29/x
3. Step 3: Cross multiply
   105,018.09x = 144,933.57 × 59,710.29
4. Step 4: Simplify right side
   105,018.09x = 8,654,024,951.93
5. Step 5: Solve for x
   x = 8,654,024,951.93/105,018.09
6. Step 6: Final answer
   x = 82,405.09