Finding the Fourth Proportional to 72,086.76, 107,985.15 and 35,954.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,086.76 : 107,985.15 = 35,954.28 : x
2. Step 2: Convert to fraction form
   72,086.76/107,985.15 = 35,954.28/x
3. Step 3: Cross multiply
   72,086.76x = 107,985.15 × 35,954.28
4. Step 4: Simplify right side
   72,086.76x = 3,882,528,318.94
5. Step 5: Solve for x
   x = 3,882,528,318.94/72,086.76
6. Step 6: Final answer
   x = 53,859.10