Finding the Fourth Proportional to 188,626.86, 260,300.79 and 103,745.34

Step by Step Solution

1. Step 1: Write the proportion equation
   188,626.86 : 260,300.79 = 103,745.34 : x
2. Step 2: Convert to fraction form
   188,626.86/260,300.79 = 103,745.34/x
3. Step 3: Cross multiply
   188,626.86x = 260,300.79 × 103,745.34
4. Step 4: Simplify right side
   188,626.86x = 27,004,993,960.82
5. Step 5: Solve for x
   x = 27,004,993,960.82/188,626.86
6. Step 6: Final answer
   x = 143,166.22