Finding the Fourth Proportional to 105,012.27, 144,911.70 and 59,684.27

Step by Step Solution

1. Step 1: Write the proportion equation
   105,012.27 : 144,911.70 = 59,684.27 : x
2. Step 2: Convert to fraction form
   105,012.27/144,911.70 = 59,684.27/x
3. Step 3: Cross multiply
   105,012.27x = 144,911.70 × 59,684.27
4. Step 4: Simplify right side
   105,012.27x = 8,648,948,304.40
5. Step 5: Solve for x
   x = 8,648,948,304.40/105,012.27
6. Step 6: Final answer
   x = 82,361.31