Finding the Fourth Proportional to 30,895.36, 42,635.20 and 16,748.16

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895.36 : 42,635.20 = 16,748.16 : x
2. Step 2: Convert to fraction form
   30,895.36/42,635.20 = 16,748.16/x
3. Step 3: Cross multiply
   30,895.36x = 42,635.20 × 16,748.16
4. Step 4: Simplify right side
   30,895.36x = 714,061,151.23
5. Step 5: Solve for x
   x = 714,061,151.23/30,895.36
6. Step 6: Final answer
   x = 23,112.25