Finding the Fourth Proportional to 42,902.09, 59,169.78 and 30,197.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,902.09 : 59,169.78 = 30,197.33 : x
2. Step 2: Convert to fraction form
   42,902.09/59,169.78 = 30,197.33/x
3. Step 3: Cross multiply
   42,902.09x = 59,169.78 × 30,197.33
4. Step 4: Simplify right side
   42,902.09x = 1,786,769,149.27
5. Step 5: Solve for x
   x = 1,786,769,149.27/42,902.09
6. Step 6: Final answer
   x = 41,647.60