Finding the Fourth Proportional to 30,513.87, 42,106.73 and 17,082

Step by Step Solution

1. Step 1: Write the proportion equation
   30,513.87 : 42,106.73 = 17,082 : x
2. Step 2: Convert to fraction form
   30,513.87/42,106.73 = 17,082/x
3. Step 3: Cross multiply
   30,513.87x = 42,106.73 × 17,082
4. Step 4: Simplify right side
   30,513.87x = 719,267,076.45
5. Step 5: Solve for x
   x = 719,267,076.45/30,513.87
6. Step 6: Final answer
   x = 23,571.81