Finding the Fourth Proportional to 30,514.56, 42,118.32 and 17,947.68

Step by Step Solution

1. Step 1: Write the proportion equation
   30,514.56 : 42,118.32 = 17,947.68 : x
2. Step 2: Convert to fraction form
   30,514.56/42,118.32 = 17,947.68/x
3. Step 3: Cross multiply
   30,514.56x = 42,118.32 × 17,947.68
4. Step 4: Simplify right side
   30,514.56x = 755,926,129.50
5. Step 5: Solve for x
   x = 755,926,129.50/30,514.56
6. Step 6: Final answer
   x = 24,772.64