Finding the Fourth Proportional to 39,667.33, 59,471.83 and 18,905.41

Step by Step Solution

1. Step 1: Write the proportion equation
   39,667.33 : 59,471.83 = 18,905.41 : x
2. Step 2: Convert to fraction form
   39,667.33/59,471.83 = 18,905.41/x
3. Step 3: Cross multiply
   39,667.33x = 59,471.83 × 18,905.41
4. Step 4: Simplify right side
   39,667.33x = 1,124,339,329.60
5. Step 5: Solve for x
   x = 1,124,339,329.60/39,667.33
6. Step 6: Final answer
   x = 28,344.21