Finding the Fourth Proportional to 81,103.60, 111,922.60 and 44,805.05

Step by Step Solution

1. Step 1: Write the proportion equation
   81,103.60 : 111,922.60 = 44,805.05 : x
2. Step 2: Convert to fraction form
   81,103.60/111,922.60 = 44,805.05/x
3. Step 3: Cross multiply
   81,103.60x = 111,922.60 × 44,805.05
4. Step 4: Simplify right side
   81,103.60x = 5,014,698,024.77
5. Step 5: Solve for x
   x = 5,014,698,024.77/81,103.60
6. Step 6: Final answer
   x = 61,830.77