Finding the Fourth Proportional to 30,651.92, 42,298.98 and 17,039.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,651.92 : 42,298.98 = 17,039.06 : x
2. Step 2: Convert to fraction form
   30,651.92/42,298.98 = 17,039.06/x
3. Step 3: Cross multiply
   30,651.92x = 42,298.98 × 17,039.06
4. Step 4: Simplify right side
   30,651.92x = 720,734,858.16
5. Step 5: Solve for x
   x = 720,734,858.16/30,651.92
6. Step 6: Final answer
   x = 23,513.53