Finding the Fourth Proportional to 111,749.82, 167,608.34 and 45,188.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,749.82 : 167,608.34 = 45,188.48 : x
2. Step 2: Convert to fraction form
   111,749.82/167,608.34 = 45,188.48/x
3. Step 3: Cross multiply
   111,749.82x = 167,608.34 × 45,188.48
4. Step 4: Simplify right side
   111,749.82x = 7,573,966,119.92
5. Step 5: Solve for x
   x = 7,573,966,119.92/111,749.82
6. Step 6: Final answer
   x = 67,776.09