Finding the Fourth Proportional to 30,672.42, 42,326.96 and 17,244.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,672.42 : 42,326.96 = 17,244.24 : x
2. Step 2: Convert to fraction form
   30,672.42/42,326.96 = 17,244.24/x
3. Step 3: Cross multiply
   30,672.42x = 42,326.96 × 17,244.24
4. Step 4: Simplify right side
   30,672.42x = 729,896,256.71
5. Step 5: Solve for x
   x = 729,896,256.71/30,672.42
6. Step 6: Final answer
   x = 23,796.50