Finding the Fourth Proportional to 30,461.87, 42,046.32 and 17,718.05

Step by Step Solution

1. Step 1: Write the proportion equation
   30,461.87 : 42,046.32 = 17,718.05 : x
2. Step 2: Convert to fraction form
   30,461.87/42,046.32 = 17,718.05/x
3. Step 3: Cross multiply
   30,461.87x = 42,046.32 × 17,718.05
4. Step 4: Simplify right side
   30,461.87x = 744,978,501.25
5. Step 5: Solve for x
   x = 744,978,501.25/30,461.87
6. Step 6: Final answer
   x = 24,456.10