Finding the Fourth Proportional to 39,327.34, 58,941.78 and 30,974.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,327.34 : 58,941.78 = 30,974.38 : x
2. Step 2: Convert to fraction form
   39,327.34/58,941.78 = 30,974.38/x
3. Step 3: Cross multiply
   39,327.34x = 58,941.78 × 30,974.38
4. Step 4: Simplify right side
   39,327.34x = 1,825,685,091.60
5. Step 5: Solve for x
   x = 1,825,685,091.60/39,327.34
6. Step 6: Final answer
   x = 46,422.80