Finding the Fourth Proportional to 30,777.99, 42,473.61 and 16,630.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,777.99 : 42,473.61 = 16,630.83 : x
2. Step 2: Convert to fraction form
   30,777.99/42,473.61 = 16,630.83/x
3. Step 3: Cross multiply
   30,777.99x = 42,473.61 × 16,630.83
4. Step 4: Simplify right side
   30,777.99x = 706,371,387.40
5. Step 5: Solve for x
   x = 706,371,387.40/30,777.99
6. Step 6: Final answer
   x = 22,950.54