Finding the Fourth Proportional to 30,895.77, 42,636 and 16,748.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895.77 : 42,636 = 16,748.58 : x
2. Step 2: Convert to fraction form
   30,895.77/42,636 = 16,748.58/x
3. Step 3: Cross multiply
   30,895.77x = 42,636 × 16,748.58
4. Step 4: Simplify right side
   30,895.77x = 714,092,456.88
5. Step 5: Solve for x
   x = 714,092,456.88/30,895.77
6. Step 6: Final answer
   x = 23,112.95