Finding the Fourth Proportional to 154,902.38, 213,594.53 and 107,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   154,902.38 : 213,594.53 = 107,072.69 : x
2. Step 2: Convert to fraction form
   154,902.38/213,594.53 = 107,072.69/x
3. Step 3: Cross multiply
   154,902.38x = 213,594.53 × 107,072.69
4. Step 4: Simplify right side
   154,902.38x = 22,870,139,293.05
5. Step 5: Solve for x
   x = 22,870,139,293.05/154,902.38
6. Step 6: Final answer
   x = 147,642.28