Finding the Fourth Proportional to 32,172.69, 48,242.58 and 13,447.62

Step by Step Solution

1. Step 1: Write the proportion equation
   32,172.69 : 48,242.58 = 13,447.62 : x
2. Step 2: Convert to fraction form
   32,172.69/48,242.58 = 13,447.62/x
3. Step 3: Cross multiply
   32,172.69x = 48,242.58 × 13,447.62
4. Step 4: Simplify right side
   32,172.69x = 648,747,677.54
5. Step 5: Solve for x
   x = 648,747,677.54/32,172.69
6. Step 6: Final answer
   x = 20,164.55