Finding the Fourth Proportional to 72,665.37, 108,839.79 and 35,146.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,665.37 : 108,839.79 = 35,146.29 : x
2. Step 2: Convert to fraction form
   72,665.37/108,839.79 = 35,146.29/x
3. Step 3: Cross multiply
   72,665.37x = 108,839.79 × 35,146.29
4. Step 4: Simplify right side
   72,665.37x = 3,825,314,822.88
5. Step 5: Solve for x
   x = 3,825,314,822.88/72,665.37
6. Step 6: Final answer
   x = 52,642.89