Finding the Fourth Proportional to 31,789.54, 43,868.73 and 17,642.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,789.54 : 43,868.73 = 17,642.02 : x
2. Step 2: Convert to fraction form
   31,789.54/43,868.73 = 17,642.02/x
3. Step 3: Cross multiply
   31,789.54x = 43,868.73 × 17,642.02
4. Step 4: Simplify right side
   31,789.54x = 773,933,012.03
5. Step 5: Solve for x
   x = 773,933,012.03/31,789.54
6. Step 6: Final answer
   x = 24,345.52