Finding the Fourth Proportional to 105,068.39, 144,993.69 and 59,746.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,068.39 : 144,993.69 = 59,746.37 : x
2. Step 2: Convert to fraction form
   105,068.39/144,993.69 = 59,746.37/x
3. Step 3: Cross multiply
   105,068.39x = 144,993.69 × 59,746.37
4. Step 4: Simplify right side
   105,068.39x = 8,662,846,650.41
5. Step 5: Solve for x
   x = 8,662,846,650.41/105,068.39
6. Step 6: Final answer
   x = 82,449.60