Finding the Fourth Proportional to 31,210.61, 43,067.27 and 18,464.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,210.61 : 43,067.27 = 18,464.27 : x
2. Step 2: Convert to fraction form
   31,210.61/43,067.27 = 18,464.27/x
3. Step 3: Cross multiply
   31,210.61x = 43,067.27 × 18,464.27
4. Step 4: Simplify right side
   31,210.61x = 795,205,609.12
5. Step 5: Solve for x
   x = 795,205,609.12/31,210.61
6. Step 6: Final answer
   x = 25,478.69