Finding the Fourth Proportional to 129,857.51, 195,081.83 and 93,944.72

Step by Step Solution

1. Step 1: Write the proportion equation
   129,857.51 : 195,081.83 = 93,944.72 : x
2. Step 2: Convert to fraction form
   129,857.51/195,081.83 = 93,944.72/x
3. Step 3: Cross multiply
   129,857.51x = 195,081.83 × 93,944.72
4. Step 4: Simplify right side
   129,857.51x = 18,326,906,451.30
5. Step 5: Solve for x
   x = 18,326,906,451.30/129,857.51
6. Step 6: Final answer
   x = 141,130.90