Finding the Fourth Proportional to 31,833.42, 43,928.82 and 17,687.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,833.42 : 43,928.82 = 17,687.16 : x
2. Step 2: Convert to fraction form
   31,833.42/43,928.82 = 17,687.16/x
3. Step 3: Cross multiply
   31,833.42x = 43,928.82 × 17,687.16
4. Step 4: Simplify right side
   31,833.42x = 776,976,067.95
5. Step 5: Solve for x
   x = 776,976,067.95/31,833.42
6. Step 6: Final answer
   x = 24,407.56