Finding the Fourth Proportional to 81,493.89, 122,288.49 and 34,105.02

Step by Step Solution

1. Step 1: Write the proportion equation
   81,493.89 : 122,288.49 = 34,105.02 : x
2. Step 2: Convert to fraction form
   81,493.89/122,288.49 = 34,105.02/x
3. Step 3: Cross multiply
   81,493.89x = 122,288.49 × 34,105.02
4. Step 4: Simplify right side
   81,493.89x = 4,170,651,397.22
5. Step 5: Solve for x
   x = 4,170,651,397.22/81,493.89
6. Step 6: Final answer
   x = 51,177.47