Finding the Fourth Proportional to 105,024.61, 144,928.20 and 59,696.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,024.61 : 144,928.20 = 59,696.29 : x
2. Step 2: Convert to fraction form
   105,024.61/144,928.20 = 59,696.29/x
3. Step 3: Cross multiply
   105,024.61x = 144,928.20 × 59,696.29
4. Step 4: Simplify right side
   105,024.61x = 8,651,675,856.38
5. Step 5: Solve for x
   x = 8,651,675,856.38/105,024.61
6. Step 6: Final answer
   x = 82,377.61