Finding the Fourth Proportional to 30,727.21, 42,407.61 and 17,301.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,727.21 : 42,407.61 = 17,301.10 : x
2. Step 2: Convert to fraction form
   30,727.21/42,407.61 = 17,301.10/x
3. Step 3: Cross multiply
   30,727.21x = 42,407.61 × 17,301.10
4. Step 4: Simplify right side
   30,727.21x = 733,698,301.37
5. Step 5: Solve for x
   x = 733,698,301.37/30,727.21
6. Step 6: Final answer
   x = 23,877.80