Finding the Fourth Proportional to 30,849.42, 42,572.07 and 17,420.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,849.42 : 42,572.07 = 17,420.52 : x
2. Step 2: Convert to fraction form
   30,849.42/42,572.07 = 17,420.52/x
3. Step 3: Cross multiply
   30,849.42x = 42,572.07 × 17,420.52
4. Step 4: Simplify right side
   30,849.42x = 741,627,596.88
5. Step 5: Solve for x
   x = 741,627,596.88/30,849.42
6. Step 6: Final answer
   x = 24,040.24