Finding the Fourth Proportional to 141,300.72, 195,005.84 and 80,890.29

Step by Step Solution

1. Step 1: Write the proportion equation
   141,300.72 : 195,005.84 = 80,890.29 : x
2. Step 2: Convert to fraction form
   141,300.72/195,005.84 = 80,890.29/x
3. Step 3: Cross multiply
   141,300.72x = 195,005.84 × 80,890.29
4. Step 4: Simplify right side
   141,300.72x = 15,774,078,544.84
5. Step 5: Solve for x
   x = 15,774,078,544.84/141,300.72
6. Step 6: Final answer
   x = 111,634.81