Finding the Fourth Proportional to 72,058.58, 108,036.09 and 34,086.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,058.58 : 108,036.09 = 34,086.80 : x
2. Step 2: Convert to fraction form
   72,058.58/108,036.09 = 34,086.80/x
3. Step 3: Cross multiply
   72,058.58x = 108,036.09 × 34,086.80
4. Step 4: Simplify right side
   72,058.58x = 3,682,604,592.61
5. Step 5: Solve for x
   x = 3,682,604,592.61/72,058.58
6. Step 6: Final answer
   x = 51,105.71