Finding the Fourth Proportional to 32,978.37, 45,517.02 and 30,321.57

Step by Step Solution

1. Step 1: Write the proportion equation
   32,978.37 : 45,517.02 = 30,321.57 : x
2. Step 2: Convert to fraction form
   32,978.37/45,517.02 = 30,321.57/x
3. Step 3: Cross multiply
   32,978.37x = 45,517.02 × 30,321.57
4. Step 4: Simplify right side
   32,978.37x = 1,380,147,508.12
5. Step 5: Solve for x
   x = 1,380,147,508.12/32,978.37
6. Step 6: Final answer
   x = 41,850.08