Finding the Fourth Proportional to 67,665.18, 101,503.77 and 17,745.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,665.18 : 101,503.77 = 17,745.12 : x
2. Step 2: Convert to fraction form
   67,665.18/101,503.77 = 17,745.12/x
3. Step 3: Cross multiply
   67,665.18x = 101,503.77 × 17,745.12
4. Step 4: Simplify right side
   67,665.18x = 1,801,196,579.10
5. Step 5: Solve for x
   x = 1,801,196,579.10/67,665.18
6. Step 6: Final answer
   x = 26,619.25