Finding the Fourth Proportional to 31,837.42, 43,933.71 and 17,689.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,837.42 : 43,933.71 = 17,689.78 : x
2. Step 2: Convert to fraction form
   31,837.42/43,933.71 = 17,689.78/x
3. Step 3: Cross multiply
   31,837.42x = 43,933.71 × 17,689.78
4. Step 4: Simplify right side
   31,837.42x = 777,177,664.48
5. Step 5: Solve for x
   x = 777,177,664.48/31,837.42
6. Step 6: Final answer
   x = 24,410.82