Finding the Fourth Proportional to 105,977.83, 158,991.37 and 31,094.95

Step by Step Solution

1. Step 1: Write the proportion equation
   105,977.83 : 158,991.37 = 31,094.95 : x
2. Step 2: Convert to fraction form
   105,977.83/158,991.37 = 31,094.95/x
3. Step 3: Cross multiply
   105,977.83x = 158,991.37 × 31,094.95
4. Step 4: Simplify right side
   105,977.83x = 4,943,828,700.58
5. Step 5: Solve for x
   x = 4,943,828,700.58/105,977.83
6. Step 6: Final answer
   x = 46,649.65