Finding the Fourth Proportional to 30,591, 42,214.98 and 17,162.16

Step by Step Solution

1. Step 1: Write the proportion equation
   30,591 : 42,214.98 = 17,162.16 : x
2. Step 2: Convert to fraction form
   30,591/42,214.98 = 17,162.16/x
3. Step 3: Cross multiply
   30,591x = 42,214.98 × 17,162.16
4. Step 4: Simplify right side
   30,591x = 724,500,241.16
5. Step 5: Solve for x
   x = 724,500,241.16/30,591
6. Step 6: Final answer
   x = 23,683.44