Finding the Fourth Proportional to 50,290.83, 69,401.39 and 27,631.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,290.83 : 69,401.39 = 27,631.28 : x
2. Step 2: Convert to fraction form
   50,290.83/69,401.39 = 27,631.28/x
3. Step 3: Cross multiply
   50,290.83x = 69,401.39 × 27,631.28
4. Step 4: Simplify right side
   50,290.83x = 1,917,649,274.83
5. Step 5: Solve for x
   x = 1,917,649,274.83/50,290.83
6. Step 6: Final answer
   x = 38,131.19