Finding the Fourth Proportional to 31,693.12, 43,736.42 and 18,264.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,693.12 : 43,736.42 = 18,264.25 : x
2. Step 2: Convert to fraction form
   31,693.12/43,736.42 = 18,264.25/x
3. Step 3: Cross multiply
   31,693.12x = 43,736.42 × 18,264.25
4. Step 4: Simplify right side
   31,693.12x = 798,812,845.30
5. Step 5: Solve for x
   x = 798,812,845.30/31,693.12
6. Step 6: Final answer
   x = 25,204.62