Finding the Fourth Proportional to 50,049.78, 69,068.70 and 31,186.92

Step by Step Solution

1. Step 1: Write the proportion equation
   50,049.78 : 69,068.70 = 31,186.92 : x
2. Step 2: Convert to fraction form
   50,049.78/69,068.70 = 31,186.92/x
3. Step 3: Cross multiply
   50,049.78x = 69,068.70 × 31,186.92
4. Step 4: Simplify right side
   50,049.78x = 2,154,040,021.40
5. Step 5: Solve for x
   x = 2,154,040,021.40/50,049.78
6. Step 6: Final answer
   x = 43,037.95