Finding the Fourth Proportional to 30,271.72, 45,378.42 and 16,221.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,271.72 : 45,378.42 = 16,221.46 : x
2. Step 2: Convert to fraction form
   30,271.72/45,378.42 = 16,221.46/x
3. Step 3: Cross multiply
   30,271.72x = 45,378.42 × 16,221.46
4. Step 4: Simplify right side
   30,271.72x = 736,104,224.89
5. Step 5: Solve for x
   x = 736,104,224.89/30,271.72
6. Step 6: Final answer
   x = 24,316.56