Finding the Fourth Proportional to 30,293.84, 41,805 and 17,720.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,293.84 : 41,805 = 17,720.72 : x
2. Step 2: Convert to fraction form
   30,293.84/41,805 = 17,720.72/x
3. Step 3: Cross multiply
   30,293.84x = 41,805 × 17,720.72
4. Step 4: Simplify right side
   30,293.84x = 740,814,699.60
5. Step 5: Solve for x
   x = 740,814,699.60/30,293.84
6. Step 6: Final answer
   x = 24,454.30