Finding the Fourth Proportional to 30,630.72, 45,934.74 and 10,903.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,630.72 : 45,934.74 = 10,903.98 : x
2. Step 2: Convert to fraction form
   30,630.72/45,934.74 = 10,903.98/x
3. Step 3: Cross multiply
   30,630.72x = 45,934.74 × 10,903.98
4. Step 4: Simplify right side
   30,630.72x = 500,871,486.27
5. Step 5: Solve for x
   x = 500,871,486.27/30,630.72
6. Step 6: Final answer
   x = 16,351.93