Finding the Fourth Proportional to 50,242.74, 69,335.02 and 30,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,242.74 : 69,335.02 = 30,111.31 : x
2. Step 2: Convert to fraction form
   50,242.74/69,335.02 = 30,111.31/x
3. Step 3: Cross multiply
   50,242.74x = 69,335.02 × 30,111.31
4. Step 4: Simplify right side
   50,242.74x = 2,087,768,281.08
5. Step 5: Solve for x
   x = 2,087,768,281.08/50,242.74
6. Step 6: Final answer
   x = 41,553.63