Finding the Fourth Proportional to 30,756.72, 42,444.27 and 16,609.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,756.72 : 42,444.27 = 16,609.56 : x
2. Step 2: Convert to fraction form
   30,756.72/42,444.27 = 16,609.56/x
3. Step 3: Cross multiply
   30,756.72x = 42,444.27 × 16,609.56
4. Step 4: Simplify right side
   30,756.72x = 704,980,649.22
5. Step 5: Solve for x
   x = 704,980,649.22/30,756.72
6. Step 6: Final answer
   x = 22,921.19