Finding the Fourth Proportional to 30,777.98, 42,473.61 and 16,630.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,777.98 : 42,473.61 = 16,630.82 : x
2. Step 2: Convert to fraction form
   30,777.98/42,473.61 = 16,630.82/x
3. Step 3: Cross multiply
   30,777.98x = 42,473.61 × 16,630.82
4. Step 4: Simplify right side
   30,777.98x = 706,370,750.29
5. Step 5: Solve for x
   x = 706,370,750.29/30,777.98
6. Step 6: Final answer
   x = 22,950.53