Finding the Fourth Proportional to 141,789.53, 195,667.99 and 80,535.31

Step by Step Solution

1. Step 1: Write the proportion equation
   141,789.53 : 195,667.99 = 80,535.31 : x
2. Step 2: Convert to fraction form
   141,789.53/195,667.99 = 80,535.31/x
3. Step 3: Cross multiply
   141,789.53x = 195,667.99 × 80,535.31
4. Step 4: Simplify right side
   141,789.53x = 15,758,181,541.22
5. Step 5: Solve for x
   x = 15,758,181,541.22/141,789.53
6. Step 6: Final answer
   x = 111,137.83