Finding the Fourth Proportional to 30,895.62, 42,636.16 and 16,748.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895.62 : 42,636.16 = 16,748.58 : x
2. Step 2: Convert to fraction form
   30,895.62/42,636.16 = 16,748.58/x
3. Step 3: Cross multiply
   30,895.62x = 42,636.16 × 16,748.58
4. Step 4: Simplify right side
   30,895.62x = 714,095,136.65
5. Step 5: Solve for x
   x = 714,095,136.65/30,895.62
6. Step 6: Final answer
   x = 23,113.15