Finding the Fourth Proportional to 30,648.62, 45,976.53 and 10,929.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,648.62 : 45,976.53 = 10,929.98 : x
2. Step 2: Convert to fraction form
   30,648.62/45,976.53 = 10,929.98/x
3. Step 3: Cross multiply
   30,648.62x = 45,976.53 × 10,929.98
4. Step 4: Simplify right side
   30,648.62x = 502,522,553.37
5. Step 5: Solve for x
   x = 502,522,553.37/30,648.62
6. Step 6: Final answer
   x = 16,396.25