Finding the Fourth Proportional to 105,015.84, 144,930.47 and 59,708.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,015.84 : 144,930.47 = 59,708.04 : x
2. Step 2: Convert to fraction form
   105,015.84/144,930.47 = 59,708.04/x
3. Step 3: Cross multiply
   105,015.84x = 144,930.47 × 59,708.04
4. Step 4: Simplify right side
   105,015.84x = 8,653,513,457.95
5. Step 5: Solve for x
   x = 8,653,513,457.95/105,015.84
6. Step 6: Final answer
   x = 82,401.99