Finding the Fourth Proportional to 31,789.54, 43,869.81 and 17,643.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,789.54 : 43,869.81 = 17,643.34 : x
2. Step 2: Convert to fraction form
   31,789.54/43,869.81 = 17,643.34/x
3. Step 3: Cross multiply
   31,789.54x = 43,869.81 × 17,643.34
4. Step 4: Simplify right side
   31,789.54x = 774,009,973.57
5. Step 5: Solve for x
   x = 774,009,973.57/31,789.54
6. Step 6: Final answer
   x = 24,347.95