Finding the Fourth Proportional to 105,976.83, 158,989.87 and 31,093.95

Step by Step Solution

1. Step 1: Write the proportion equation
   105,976.83 : 158,989.87 = 31,093.95 : x
2. Step 2: Convert to fraction form
   105,976.83/158,989.87 = 31,093.95/x
3. Step 3: Cross multiply
   105,976.83x = 158,989.87 × 31,093.95
4. Step 4: Simplify right side
   105,976.83x = 4,943,623,068.29
5. Step 5: Solve for x
   x = 4,943,623,068.29/105,976.83
6. Step 6: Final answer
   x = 46,648.15