Finding the Fourth Proportional to 80,852.64, 111,576.71 and 45,042.74

Step by Step Solution

1. Step 1: Write the proportion equation
   80,852.64 : 111,576.71 = 45,042.74 : x
2. Step 2: Convert to fraction form
   80,852.64/111,576.71 = 45,042.74/x
3. Step 3: Cross multiply
   80,852.64x = 111,576.71 × 45,042.74
4. Step 4: Simplify right side
   80,852.64x = 5,025,720,738.59
5. Step 5: Solve for x
   x = 5,025,720,738.59/80,852.64
6. Step 6: Final answer
   x = 62,159.02