Finding the Fourth Proportional to 81,270.27, 112,162.28 and 45,469.35

Step by Step Solution

1. Step 1: Write the proportion equation
   81,270.27 : 112,162.28 = 45,469.35 : x
2. Step 2: Convert to fraction form
   81,270.27/112,162.28 = 45,469.35/x
3. Step 3: Cross multiply
   81,270.27x = 112,162.28 × 45,469.35
4. Step 4: Simplify right side
   81,270.27x = 5,099,945,738.77
5. Step 5: Solve for x
   x = 5,099,945,738.77/81,270.27
6. Step 6: Final answer
   x = 62,752.91