Finding the Fourth Proportional to 32,112.90, 48,178.61 and 13,383.27

Step by Step Solution

1. Step 1: Write the proportion equation
   32,112.90 : 48,178.61 = 13,383.27 : x
2. Step 2: Convert to fraction form
   32,112.90/48,178.61 = 13,383.27/x
3. Step 3: Cross multiply
   32,112.90x = 48,178.61 × 13,383.27
4. Step 4: Simplify right side
   32,112.90x = 644,787,379.31
5. Step 5: Solve for x
   x = 644,787,379.31/32,112.90
6. Step 6: Final answer
   x = 20,078.77