Finding the Fourth Proportional to 30,727.21, 42,407.59 and 17,301.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,727.21 : 42,407.59 = 17,301.09 : x
2. Step 2: Convert to fraction form
   30,727.21/42,407.59 = 17,301.09/x
3. Step 3: Cross multiply
   30,727.21x = 42,407.59 × 17,301.09
4. Step 4: Simplify right side
   30,727.21x = 733,697,393.87
5. Step 5: Solve for x
   x = 733,697,393.87/30,727.21
6. Step 6: Final answer
   x = 23,877.78