Finding the Fourth Proportional to 105,355.83, 158,021.58 and 26,464.05

Step by Step Solution

1. Step 1: Write the proportion equation
   105,355.83 : 158,021.58 = 26,464.05 : x
2. Step 2: Convert to fraction form
   105,355.83/158,021.58 = 26,464.05/x
3. Step 3: Cross multiply
   105,355.83x = 158,021.58 × 26,464.05
4. Step 4: Simplify right side
   105,355.83x = 4,181,890,994.20
5. Step 5: Solve for x
   x = 4,181,890,994.20/105,355.83
6. Step 6: Final answer
   x = 39,693.02