Finding the Fourth Proportional to 254,290.69, 381,542.78 and 158,308.17

Step by Step Solution

1. Step 1: Write the proportion equation
   254,290.69 : 381,542.78 = 158,308.17 : x
2. Step 2: Convert to fraction form
   254,290.69/381,542.78 = 158,308.17/x
3. Step 3: Cross multiply
   254,290.69x = 381,542.78 × 158,308.17
4. Step 4: Simplify right side
   254,290.69x = 60,401,339,917.76
5. Step 5: Solve for x
   x = 60,401,339,917.76/254,290.69
6. Step 6: Final answer
   x = 237,528.71