Finding the Fourth Proportional to 50,245.31, 69,338.53 and 27,889.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,245.31 : 69,338.53 = 27,889.31 : x
2. Step 2: Convert to fraction form
   50,245.31/69,338.53 = 27,889.31/x
3. Step 3: Cross multiply
   50,245.31x = 69,338.53 × 27,889.31
4. Step 4: Simplify right side
   50,245.31x = 1,933,803,966.32
5. Step 5: Solve for x
   x = 1,933,803,966.32/50,245.31
6. Step 6: Final answer
   x = 38,487.25