Finding the Fourth Proportional to 81,067.70, 111,868.76 and 45,259.99

Step by Step Solution

1. Step 1: Write the proportion equation
   81,067.70 : 111,868.76 = 45,259.99 : x
2. Step 2: Convert to fraction form
   81,067.70/111,868.76 = 45,259.99/x
3. Step 3: Cross multiply
   81,067.70x = 111,868.76 × 45,259.99
4. Step 4: Simplify right side
   81,067.70x = 5,063,178,792.39
5. Step 5: Solve for x
   x = 5,063,178,792.39/81,067.70
6. Step 6: Final answer
   x = 62,456.18