Finding the Fourth Proportional to 32,421.31, 48,612.51 and 12,676.33

Step by Step Solution

1. Step 1: Write the proportion equation
   32,421.31 : 48,612.51 = 12,676.33 : x
2. Step 2: Convert to fraction form
   32,421.31/48,612.51 = 12,676.33/x
3. Step 3: Cross multiply
   32,421.31x = 48,612.51 × 12,676.33
4. Step 4: Simplify right side
   32,421.31x = 616,228,218.89
5. Step 5: Solve for x
   x = 616,228,218.89/32,421.31
6. Step 6: Final answer
   x = 19,006.89