Finding the Fourth Proportional to 30,764.58, 42,455.12 and 16,617.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,764.58 : 42,455.12 = 16,617.42 : x
2. Step 2: Convert to fraction form
   30,764.58/42,455.12 = 16,617.42/x
3. Step 3: Cross multiply
   30,764.58x = 42,455.12 × 16,617.42
4. Step 4: Simplify right side
   30,764.58x = 705,494,689.98
5. Step 5: Solve for x
   x = 705,494,689.98/30,764.58
6. Step 6: Final answer
   x = 22,932.04