Finding the Fourth Proportional to 50,641.69, 69,888.27 and 30,504.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,641.69 : 69,888.27 = 30,504.82 : x
2. Step 2: Convert to fraction form
   50,641.69/69,888.27 = 30,504.82/x
3. Step 3: Cross multiply
   50,641.69x = 69,888.27 × 30,504.82
4. Step 4: Simplify right side
   50,641.69x = 2,131,929,096.46
5. Step 5: Solve for x
   x = 2,131,929,096.46/50,641.69
6. Step 6: Final answer
   x = 42,098.30