Finding the Fourth Proportional to 80,852.70, 111,580.17 and 45,042.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,852.70 : 111,580.17 = 45,042.69 : x
2. Step 2: Convert to fraction form
   80,852.70/111,580.17 = 45,042.69/x
3. Step 3: Cross multiply
   80,852.70x = 111,580.17 × 45,042.69
4. Step 4: Simplify right side
   80,852.70x = 5,025,871,007.46
5. Step 5: Solve for x
   x = 5,025,871,007.46/80,852.70
6. Step 6: Final answer
   x = 62,160.83