Finding the Fourth Proportional to 31,793.31, 43,878.51 and 17,647.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,793.31 : 43,878.51 = 17,647.07 : x
2. Step 2: Convert to fraction form
   31,793.31/43,878.51 = 17,647.07/x
3. Step 3: Cross multiply
   31,793.31x = 43,878.51 × 17,647.07
4. Step 4: Simplify right side
   31,793.31x = 774,326,918.07
5. Step 5: Solve for x
   x = 774,326,918.07/31,793.31
6. Step 6: Final answer
   x = 24,355.03