Finding the Fourth Proportional to 32,407.25, 48,609.25 and 12,689.42

Step by Step Solution

1. Step 1: Write the proportion equation
   32,407.25 : 48,609.25 = 12,689.42 : x
2. Step 2: Convert to fraction form
   32,407.25/48,609.25 = 12,689.42/x
3. Step 3: Cross multiply
   32,407.25x = 48,609.25 × 12,689.42
4. Step 4: Simplify right side
   32,407.25x = 616,822,914.37
5. Step 5: Solve for x
   x = 616,822,914.37/32,407.25
6. Step 6: Final answer
   x = 19,033.49