Finding the Fourth Proportional to 81,964.88, 113,108.48 and 45,665.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,964.88 : 113,108.48 = 45,665.46 : x
2. Step 2: Convert to fraction form
   81,964.88/113,108.48 = 45,665.46/x
3. Step 3: Cross multiply
   81,964.88x = 113,108.48 × 45,665.46
4. Step 4: Simplify right side
   81,964.88x = 5,165,150,769.10
5. Step 5: Solve for x
   x = 5,165,150,769.10/81,964.88
6. Step 6: Final answer
   x = 63,016.63