Finding the Fourth Proportional to 30,480.86, 45,722.82 and 9,705.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,480.86 : 45,722.82 = 9,705.98 : x
2. Step 2: Convert to fraction form
   30,480.86/45,722.82 = 9,705.98/x
3. Step 3: Cross multiply
   30,480.86x = 45,722.82 × 9,705.98
4. Step 4: Simplify right side
   30,480.86x = 443,784,776.46
5. Step 5: Solve for x
   x = 443,784,776.46/30,480.86
6. Step 6: Final answer
   x = 14,559.46