Finding the Fourth Proportional to 32,931.72, 45,441.54 and 18,783.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,931.72 : 45,441.54 = 18,783.72 : x
2. Step 2: Convert to fraction form
   32,931.72/45,441.54 = 18,783.72/x
3. Step 3: Cross multiply
   32,931.72x = 45,441.54 × 18,783.72
4. Step 4: Simplify right side
   32,931.72x = 853,561,163.73
5. Step 5: Solve for x
   x = 853,561,163.73/32,931.72
6. Step 6: Final answer
   x = 25,919.12