Finding the Fourth Proportional to 141,401.44, 195,163.72 and 89,685.05

Step by Step Solution

1. Step 1: Write the proportion equation
   141,401.44 : 195,163.72 = 89,685.05 : x
2. Step 2: Convert to fraction form
   141,401.44/195,163.72 = 89,685.05/x
3. Step 3: Cross multiply
   141,401.44x = 195,163.72 × 89,685.05
4. Step 4: Simplify right side
   141,401.44x = 17,503,268,250.08
5. Step 5: Solve for x
   x = 17,503,268,250.08/141,401.44
6. Step 6: Final answer
   x = 123,784.23