Finding the Fourth Proportional to 80,849.98, 111,576.36 and 45,040

Step by Step Solution

1. Step 1: Write the proportion equation
   80,849.98 : 111,576.36 = 45,040 : x
2. Step 2: Convert to fraction form
   80,849.98/111,576.36 = 45,040/x
3. Step 3: Cross multiply
   80,849.98x = 111,576.36 × 45,040
4. Step 4: Simplify right side
   80,849.98x = 5,025,399,254.40
5. Step 5: Solve for x
   x = 5,025,399,254.40/80,849.98
6. Step 6: Final answer
   x = 62,157.09