Finding the Fourth Proportional to 30,581.98, 42,185.16 and 19,233.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,581.98 : 42,185.16 = 19,233.52 : x
2. Step 2: Convert to fraction form
   30,581.98/42,185.16 = 19,233.52/x
3. Step 3: Cross multiply
   30,581.98x = 42,185.16 × 19,233.52
4. Step 4: Simplify right side
   30,581.98x = 811,369,118.56
5. Step 5: Solve for x
   x = 811,369,118.56/30,581.98
6. Step 6: Final answer
   x = 26,530.95