Finding the Fourth Proportional to 105,813.01, 158,641.75 and 50,447.89

Step by Step Solution

1. Step 1: Write the proportion equation
   105,813.01 : 158,641.75 = 50,447.89 : x
2. Step 2: Convert to fraction form
   105,813.01/158,641.75 = 50,447.89/x
3. Step 3: Cross multiply
   105,813.01x = 158,641.75 × 50,447.89
4. Step 4: Simplify right side
   105,813.01x = 8,003,140,634.08
5. Step 5: Solve for x
   x = 8,003,140,634.08/105,813.01
6. Step 6: Final answer
   x = 75,634.75