Finding the Fourth Proportional to 30,510.14, 42,101.91 and 17,081.28

Step by Step Solution

1. Step 1: Write the proportion equation
   30,510.14 : 42,101.91 = 17,081.28 : x
2. Step 2: Convert to fraction form
   30,510.14/42,101.91 = 17,081.28/x
3. Step 3: Cross multiply
   30,510.14x = 42,101.91 × 17,081.28
4. Step 4: Simplify right side
   30,510.14x = 719,154,513.24
5. Step 5: Solve for x
   x = 719,154,513.24/30,510.14
6. Step 6: Final answer
   x = 23,571.00