Finding the Fourth Proportional to 154,301.69, 231,078.78 and 106,783.62

Step by Step Solution

1. Step 1: Write the proportion equation
   154,301.69 : 231,078.78 = 106,783.62 : x
2. Step 2: Convert to fraction form
   154,301.69/231,078.78 = 106,783.62/x
3. Step 3: Cross multiply
   154,301.69x = 231,078.78 × 106,783.62
4. Step 4: Simplify right side
   154,301.69x = 24,675,428,633.58
5. Step 5: Solve for x
   x = 24,675,428,633.58/154,301.69
6. Step 6: Final answer
   x = 159,916.78