Finding the Fourth Proportional to 188,698.96, 260,388.72 and 111,162.24

Step by Step Solution

1. Step 1: Write the proportion equation
   188,698.96 : 260,388.72 = 111,162.24 : x
2. Step 2: Convert to fraction form
   188,698.96/260,388.72 = 111,162.24/x
3. Step 3: Cross multiply
   188,698.96x = 260,388.72 × 111,162.24
4. Step 4: Simplify right side
   188,698.96x = 28,945,393,385.93
5. Step 5: Solve for x
   x = 28,945,393,385.93/188,698.96
6. Step 6: Final answer
   x = 153,394.56