Finding the Fourth Proportional to 141,309.56, 195,016.31 and 80,899.76

Step by Step Solution

1. Step 1: Write the proportion equation
   141,309.56 : 195,016.31 = 80,899.76 : x
2. Step 2: Convert to fraction form
   141,309.56/195,016.31 = 80,899.76/x
3. Step 3: Cross multiply
   141,309.56x = 195,016.31 × 80,899.76
4. Step 4: Simplify right side
   141,309.56x = 15,776,773,061.50
5. Step 5: Solve for x
   x = 15,776,773,061.50/141,309.56
6. Step 6: Final answer
   x = 111,646.89