Finding the Fourth Proportional to 141,400.69, 195,162.68 and 89,684.30

Step by Step Solution

1. Step 1: Write the proportion equation
   141,400.69 : 195,162.68 = 89,684.30 : x
2. Step 2: Convert to fraction form
   141,400.69/195,162.68 = 89,684.30/x
3. Step 3: Cross multiply
   141,400.69x = 195,162.68 × 89,684.30
4. Step 4: Simplify right side
   141,400.69x = 17,503,029,054.04
5. Step 5: Solve for x
   x = 17,503,029,054.04/141,400.69
6. Step 6: Final answer
   x = 123,783.20