Finding the Fourth Proportional to 37,446.32, 51,673.32 and 20,678

Step by Step Solution

1. Step 1: Write the proportion equation
   37,446.32 : 51,673.32 = 20,678 : x
2. Step 2: Convert to fraction form
   37,446.32/51,673.32 = 20,678/x
3. Step 3: Cross multiply
   37,446.32x = 51,673.32 × 20,678
4. Step 4: Simplify right side
   37,446.32x = 1,068,500,910.96
5. Step 5: Solve for x
   x = 1,068,500,910.96/37,446.32
6. Step 6: Final answer
   x = 28,534.20