Finding the Fourth Proportional to 39,321.78, 58,933.43 and 30,968.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,321.78 : 58,933.43 = 30,968.82 : x
2. Step 2: Convert to fraction form
   39,321.78/58,933.43 = 30,968.82/x
3. Step 3: Cross multiply
   39,321.78x = 58,933.43 × 30,968.82
4. Step 4: Simplify right side
   39,321.78x = 1,825,098,630.81
5. Step 5: Solve for x
   x = 1,825,098,630.81/39,321.78
6. Step 6: Final answer
   x = 46,414.45