Finding the Fourth Proportional to 30,895, 42,635.34 and 18,330.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,895 : 42,635.34 = 18,330.52 : x
2. Step 2: Convert to fraction form
   30,895/42,635.34 = 18,330.52/x
3. Step 3: Cross multiply
   30,895x = 42,635.34 × 18,330.52
4. Step 4: Simplify right side
   30,895x = 781,527,952.58
5. Step 5: Solve for x
   x = 781,527,952.58/30,895
6. Step 6: Final answer
   x = 25,296.26