Finding the Fourth Proportional to 67,039.74, 100,559.59 and 17,118.04

Step by Step Solution

1. Step 1: Write the proportion equation
   67,039.74 : 100,559.59 = 17,118.04 : x
2. Step 2: Convert to fraction form
   67,039.74/100,559.59 = 17,118.04/x
3. Step 3: Cross multiply
   67,039.74x = 100,559.59 × 17,118.04
4. Step 4: Simplify right side
   67,039.74x = 1,721,383,084.00
5. Step 5: Solve for x
   x = 1,721,383,084.00/67,039.74
6. Step 6: Final answer
   x = 25,677.05