Finding the Fourth Proportional to 30,868.33, 42,599.16 and 17,440.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,868.33 : 42,599.16 = 17,440.15 : x
2. Step 2: Convert to fraction form
   30,868.33/42,599.16 = 17,440.15/x
3. Step 3: Cross multiply
   30,868.33x = 42,599.16 × 17,440.15
4. Step 4: Simplify right side
   30,868.33x = 742,935,740.27
5. Step 5: Solve for x
   x = 742,935,740.27/30,868.33
6. Step 6: Final answer
   x = 24,067.90