Finding the Fourth Proportional to 80,828.10, 111,546.23 and 45,018.12

Step by Step Solution

1. Step 1: Write the proportion equation
   80,828.10 : 111,546.23 = 45,018.12 : x
2. Step 2: Convert to fraction form
   80,828.10/111,546.23 = 45,018.12/x
3. Step 3: Cross multiply
   80,828.10x = 111,546.23 × 45,018.12
4. Step 4: Simplify right side
   80,828.10x = 5,021,601,342.60
5. Step 5: Solve for x
   x = 5,021,601,342.60/80,828.10
6. Step 6: Final answer
   x = 62,126.93