Finding the Fourth Proportional to 50,902.07, 70,241.69 and 30,747.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,902.07 : 70,241.69 = 30,747.05 : x
2. Step 2: Convert to fraction form
   50,902.07/70,241.69 = 30,747.05/x
3. Step 3: Cross multiply
   50,902.07x = 70,241.69 × 30,747.05
4. Step 4: Simplify right side
   50,902.07x = 2,159,724,754.51
5. Step 5: Solve for x
   x = 2,159,724,754.51/50,902.07
6. Step 6: Final answer
   x = 42,429.02