Finding the Fourth Proportional to 81,065.88, 111,870.18 and 45,253.62

Step by Step Solution

1. Step 1: Write the proportion equation
   81,065.88 : 111,870.18 = 45,253.62 : x
2. Step 2: Convert to fraction form
   81,065.88/111,870.18 = 45,253.62/x
3. Step 3: Cross multiply
   81,065.88x = 111,870.18 × 45,253.62
4. Step 4: Simplify right side
   81,065.88x = 5,062,530,615.05
5. Step 5: Solve for x
   x = 5,062,530,615.05/81,065.88
6. Step 6: Final answer
   x = 62,449.59