Finding the Fourth Proportional to 30,540.01, 42,144.99 and 17,111.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,540.01 : 42,144.99 = 17,111.38 : x
2. Step 2: Convert to fraction form
   30,540.01/42,144.99 = 17,111.38/x
3. Step 3: Cross multiply
   30,540.01x = 42,144.99 × 17,111.38
4. Step 4: Simplify right side
   30,540.01x = 721,158,938.99
5. Step 5: Solve for x
   x = 721,158,938.99/30,540.01
6. Step 6: Final answer
   x = 23,613.58