Finding the Fourth Proportional to 47,072.54, 64,941.33 and 30,072.38

Step by Step Solution

1. Step 1: Write the proportion equation
   47,072.54 : 64,941.33 = 30,072.38 : x
2. Step 2: Convert to fraction form
   47,072.54/64,941.33 = 30,072.38/x
3. Step 3: Cross multiply
   47,072.54x = 64,941.33 × 30,072.38
4. Step 4: Simplify right side
   47,072.54x = 1,952,940,115.93
5. Step 5: Solve for x
   x = 1,952,940,115.93/47,072.54
6. Step 6: Final answer
   x = 41,487.88