Finding the Fourth Proportional to 30,591.59, 42,215.70 and 17,162.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,591.59 : 42,215.70 = 17,162.54 : x
2. Step 2: Convert to fraction form
   30,591.59/42,215.70 = 17,162.54/x
3. Step 3: Cross multiply
   30,591.59x = 42,215.70 × 17,162.54
4. Step 4: Simplify right side
   30,591.59x = 724,528,342.99
5. Step 5: Solve for x
   x = 724,528,342.99/30,591.59
6. Step 6: Final answer
   x = 23,683.91