Finding the Fourth Proportional to 31,928.31, 44,066.43 and 18,507.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,928.31 : 44,066.43 = 18,507.96 : x
2. Step 2: Convert to fraction form
   31,928.31/44,066.43 = 18,507.96/x
3. Step 3: Cross multiply
   31,928.31x = 44,066.43 × 18,507.96
4. Step 4: Simplify right side
   31,928.31x = 815,579,723.78
5. Step 5: Solve for x
   x = 815,579,723.78/31,928.31
6. Step 6: Final answer
   x = 25,544.09