Finding the Fourth Proportional to 32,667.21, 45,081.63 and 18,520.97

Step by Step Solution

1. Step 1: Write the proportion equation
   32,667.21 : 45,081.63 = 18,520.97 : x
2. Step 2: Convert to fraction form
   32,667.21/45,081.63 = 18,520.97/x
3. Step 3: Cross multiply
   32,667.21x = 45,081.63 × 18,520.97
4. Step 4: Simplify right side
   32,667.21x = 834,955,291.37
5. Step 5: Solve for x
   x = 834,955,291.37/32,667.21
6. Step 6: Final answer
   x = 25,559.43