Finding the Fourth Proportional to 105,857.00, 158,577.89 and 61,390.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105,857.00 : 158,577.89 = 61,390.33 : x
2. Step 2: Convert to fraction form
   105,857.00/158,577.89 = 61,390.33/x
3. Step 3: Cross multiply
   105,857.00x = 158,577.89 × 61,390.33
4. Step 4: Simplify right side
   105,857.00x = 9,735,148,204.91
5. Step 5: Solve for x
   x = 9,735,148,204.91/105,857.00
6. Step 6: Final answer
   x = 91,965.09