Finding the Fourth Proportional to 30,672.24, 42,326.59 and 17,060.20

Step by Step Solution

1. Step 1: Write the proportion equation
   30,672.24 : 42,326.59 = 17,060.20 : x
2. Step 2: Convert to fraction form
   30,672.24/42,326.59 = 17,060.20/x
3. Step 3: Cross multiply
   30,672.24x = 42,326.59 × 17,060.20
4. Step 4: Simplify right side
   30,672.24x = 722,100,090.72
5. Step 5: Solve for x
   x = 722,100,090.72/30,672.24
6. Step 6: Final answer
   x = 23,542.46