Finding the Fourth Proportional to 30,648.37, 45,976.16 and 10,929.73

Step by Step Solution

1. Step 1: Write the proportion equation
   30,648.37 : 45,976.16 = 10,929.73 : x
2. Step 2: Convert to fraction form
   30,648.37/45,976.16 = 10,929.73/x
3. Step 3: Cross multiply
   30,648.37x = 45,976.16 × 10,929.73
4. Step 4: Simplify right side
   30,648.37x = 502,506,960.59
5. Step 5: Solve for x
   x = 502,506,960.59/30,648.37
6. Step 6: Final answer
   x = 16,395.88