Finding the Fourth Proportional to 81,496.27, 122,292.06 and 34,107.40

Step by Step Solution

1. Step 1: Write the proportion equation
   81,496.27 : 122,292.06 = 34,107.40 : x
2. Step 2: Convert to fraction form
   81,496.27/122,292.06 = 34,107.40/x
3. Step 3: Cross multiply
   81,496.27x = 122,292.06 × 34,107.40
4. Step 4: Simplify right side
   81,496.27x = 4,171,063,425.25
5. Step 5: Solve for x
   x = 4,171,063,425.25/81,496.27
6. Step 6: Final answer
   x = 51,181.04