Finding the Fourth Proportional to 32,078.50, 48,081.90 and 13,345.79

Step by Step Solution

1. Step 1: Write the proportion equation
   32,078.50 : 48,081.90 = 13,345.79 : x
2. Step 2: Convert to fraction form
   32,078.50/48,081.90 = 13,345.79/x
3. Step 3: Cross multiply
   32,078.50x = 48,081.90 × 13,345.79
4. Step 4: Simplify right side
   32,078.50x = 641,690,940.20
5. Step 5: Solve for x
   x = 641,690,940.20/32,078.50
6. Step 6: Final answer
   x = 20,003.77