Finding the Fourth Proportional to 105,018.84, 144,934.61 and 59,711.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,018.84 : 144,934.61 = 59,711.04 : x
2. Step 2: Convert to fraction form
   105,018.84/144,934.61 = 59,711.04/x
3. Step 3: Cross multiply
   105,018.84x = 144,934.61 × 59,711.04
4. Step 4: Simplify right side
   105,018.84x = 8,654,195,996.54
5. Step 5: Solve for x
   x = 8,654,195,996.54/105,018.84
6. Step 6: Final answer
   x = 82,406.13