Finding the Fourth Proportional to 105,022.83, 144,940.14 and 59,715.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,022.83 : 144,940.14 = 59,715.09 : x
2. Step 2: Convert to fraction form
   105,022.83/144,940.14 = 59,715.09/x
3. Step 3: Cross multiply
   105,022.83x = 144,940.14 × 59,715.09
4. Step 4: Simplify right side
   105,022.83x = 8,655,113,504.71
5. Step 5: Solve for x
   x = 8,655,113,504.71/105,022.83
6. Step 6: Final answer
   x = 82,411.73