Finding the Fourth Proportional to 30,707.01, 42,375.59 and 17,278.28

Step by Step Solution

1. Step 1: Write the proportion equation
   30,707.01 : 42,375.59 = 17,278.28 : x
2. Step 2: Convert to fraction form
   30,707.01/42,375.59 = 17,278.28/x
3. Step 3: Cross multiply
   30,707.01x = 42,375.59 × 17,278.28
4. Step 4: Simplify right side
   30,707.01x = 732,177,193.47
5. Step 5: Solve for x
   x = 732,177,193.47/30,707.01
6. Step 6: Final answer
   x = 23,843.98