Finding the Fourth Proportional to 105,839.76, 158,759.52 and 82,483.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,839.76 : 158,759.52 = 82,483.68 : x
2. Step 2: Convert to fraction form
   105,839.76/158,759.52 = 82,483.68/x
3. Step 3: Cross multiply
   105,839.76x = 158,759.52 × 82,483.68
4. Step 4: Simplify right side
   105,839.76x = 13,095,069,444.63
5. Step 5: Solve for x
   x = 13,095,069,444.63/105,839.76
6. Step 6: Final answer
   x = 123,725.43