Finding the Fourth Proportional to 30,669, 42,323.22 and 17,240.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,669 : 42,323.22 = 17,240.10 : x
2. Step 2: Convert to fraction form
   30,669/42,323.22 = 17,240.10/x
3. Step 3: Cross multiply
   30,669x = 42,323.22 × 17,240.10
4. Step 4: Simplify right side
   30,669x = 729,656,545.12
5. Step 5: Solve for x
   x = 729,656,545.12/30,669
6. Step 6: Final answer
   x = 23,791.34