Finding the Fourth Proportional to 30,651.94, 45,978.01 and 8,464.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,651.94 : 45,978.01 = 8,464.83 : x
2. Step 2: Convert to fraction form
   30,651.94/45,978.01 = 8,464.83/x
3. Step 3: Cross multiply
   30,651.94x = 45,978.01 × 8,464.83
4. Step 4: Simplify right side
   30,651.94x = 389,196,038.39
5. Step 5: Solve for x
   x = 389,196,038.39/30,651.94
6. Step 6: Final answer
   x = 12,697.27