Finding the Fourth Proportional to 30,738.84, 42,419.72 and 17,310.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,738.84 : 42,419.72 = 17,310.12 : x
2. Step 2: Convert to fraction form
   30,738.84/42,419.72 = 17,310.12/x
3. Step 3: Cross multiply
   30,738.84x = 42,419.72 × 17,310.12
4. Step 4: Simplify right side
   30,738.84x = 734,290,443.57
5. Step 5: Solve for x
   x = 734,290,443.57/30,738.84
6. Step 6: Final answer
   x = 23,888.03