Finding the Fourth Proportional to 30,895.88, 42,636.36 and 16,748.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895.88 : 42,636.36 = 16,748.75 : x
2. Step 2: Convert to fraction form
   30,895.88/42,636.36 = 16,748.75/x
3. Step 3: Cross multiply
   30,895.88x = 42,636.36 × 16,748.75
4. Step 4: Simplify right side
   30,895.88x = 714,105,521.37
5. Step 5: Solve for x
   x = 714,105,521.37/30,895.88
6. Step 6: Final answer
   x = 23,113.30