Finding the Fourth Proportional to 50,287.34, 69,877.70 and 49,740.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,287.34 : 69,877.70 = 49,740.56 : x
2. Step 2: Convert to fraction form
   50,287.34/69,877.70 = 49,740.56/x
3. Step 3: Cross multiply
   50,287.34x = 69,877.70 × 49,740.56
4. Step 4: Simplify right side
   50,287.34x = 3,475,755,929.51
5. Step 5: Solve for x
   x = 3,475,755,929.51/50,287.34
6. Step 6: Final answer
   x = 69,117.91