Finding the Fourth Proportional to 30,900.48, 42,642.76 and 16,753.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,900.48 : 42,642.76 = 16,753.33 : x
2. Step 2: Convert to fraction form
   30,900.48/42,642.76 = 16,753.33/x
3. Step 3: Cross multiply
   30,900.48x = 42,642.76 × 16,753.33
4. Step 4: Simplify right side
   30,900.48x = 714,408,146.62
5. Step 5: Solve for x
   x = 714,408,146.62/30,900.48
6. Step 6: Final answer
   x = 23,119.65