Finding the Fourth Proportional to 50,991.17, 70,368.41 and 30,850.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,991.17 : 70,368.41 = 30,850.25 : x
2. Step 2: Convert to fraction form
   50,991.17/70,368.41 = 30,850.25/x
3. Step 3: Cross multiply
   50,991.17x = 70,368.41 × 30,850.25
4. Step 4: Simplify right side
   50,991.17x = 2,170,882,765.89
5. Step 5: Solve for x
   x = 2,170,882,765.89/50,991.17
6. Step 6: Final answer
   x = 42,573.70