Finding the Fourth Proportional to 30,738.96, 42,419.29 and 17,310.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,738.96 : 42,419.29 = 17,310.18 : x
2. Step 2: Convert to fraction form
   30,738.96/42,419.29 = 17,310.18/x
3. Step 3: Cross multiply
   30,738.96x = 42,419.29 × 17,310.18
4. Step 4: Simplify right side
   30,738.96x = 734,285,545.37
5. Step 5: Solve for x
   x = 734,285,545.37/30,738.96
6. Step 6: Final answer
   x = 23,887.78