Finding the Fourth Proportional to 81,104.78, 111,924.86 and 45,296.12

Step by Step Solution

1. Step 1: Write the proportion equation
   81,104.78 : 111,924.86 = 45,296.12 : x
2. Step 2: Convert to fraction form
   81,104.78/111,924.86 = 45,296.12/x
3. Step 3: Cross multiply
   81,104.78x = 111,924.86 × 45,296.12
4. Step 4: Simplify right side
   81,104.78x = 5,069,761,889.54
5. Step 5: Solve for x
   x = 5,069,761,889.54/81,104.78
6. Step 6: Final answer
   x = 62,508.79