Finding the Fourth Proportional to 39,871.72, 59,773.60 and 17,673

Step by Step Solution

1. Step 1: Write the proportion equation
   39,871.72 : 59,773.60 = 17,673 : x
2. Step 2: Convert to fraction form
   39,871.72/59,773.60 = 17,673/x
3. Step 3: Cross multiply
   39,871.72x = 59,773.60 × 17,673
4. Step 4: Simplify right side
   39,871.72x = 1,056,378,832.80
5. Step 5: Solve for x
   x = 1,056,378,832.80/39,871.72
6. Step 6: Final answer
   x = 26,494.44