Finding the Fourth Proportional to 81,612.42, 122,394.89 and 34,226.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,612.42 : 122,394.89 = 34,226.25 : x
2. Step 2: Convert to fraction form
   81,612.42/122,394.89 = 34,226.25/x
3. Step 3: Cross multiply
   81,612.42x = 122,394.89 × 34,226.25
4. Step 4: Simplify right side
   81,612.42x = 4,189,118,103.86
5. Step 5: Solve for x
   x = 4,189,118,103.86/81,612.42
6. Step 6: Final answer
   x = 51,329.42