Finding the Fourth Proportional to 42,936, 59,231.52 and 30,367.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,936 : 59,231.52 = 30,367.68 : x
2. Step 2: Convert to fraction form
   42,936/59,231.52 = 30,367.68/x
3. Step 3: Cross multiply
   42,936x = 59,231.52 × 30,367.68
4. Step 4: Simplify right side
   42,936x = 1,798,723,845.27
5. Step 5: Solve for x
   x = 1,798,723,845.27/42,936
6. Step 6: Final answer
   x = 41,893.14