Finding the Fourth Proportional to 31,203, 43,059.33 and 18,456.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,203 : 43,059.33 = 18,456.84 : x
2. Step 2: Convert to fraction form
   31,203/43,059.33 = 18,456.84/x
3. Step 3: Cross multiply
   31,203x = 43,059.33 × 18,456.84
4. Step 4: Simplify right side
   31,203x = 794,739,164.32
5. Step 5: Solve for x
   x = 794,739,164.32/31,203
6. Step 6: Final answer
   x = 25,469.96