Finding the Fourth Proportional to 30,828.01, 42,542.22 and 17,397.40

Step by Step Solution

1. Step 1: Write the proportion equation
   30,828.01 : 42,542.22 = 17,397.40 : x
2. Step 2: Convert to fraction form
   30,828.01/42,542.22 = 17,397.40/x
3. Step 3: Cross multiply
   30,828.01x = 42,542.22 × 17,397.40
4. Step 4: Simplify right side
   30,828.01x = 740,124,018.23
5. Step 5: Solve for x
   x = 740,124,018.23/30,828.01
6. Step 6: Final answer
   x = 24,008.17