Finding the Fourth Proportional to 67,609.59, 101,420.30 and 17,689.49

Step by Step Solution

1. Step 1: Write the proportion equation
   67,609.59 : 101,420.30 = 17,689.49 : x
2. Step 2: Convert to fraction form
   67,609.59/101,420.30 = 17,689.49/x
3. Step 3: Cross multiply
   67,609.59x = 101,420.30 × 17,689.49
4. Step 4: Simplify right side
   67,609.59x = 1,794,073,300.10
5. Step 5: Solve for x
   x = 1,794,073,300.10/67,609.59
6. Step 6: Final answer
   x = 26,535.78