Finding the Fourth Proportional to 109,863.59, 164,674.49 and 71,897.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109,863.59 : 164,674.49 = 71,897.27 : x
2. Step 2: Convert to fraction form
   109,863.59/164,674.49 = 71,897.27/x
3. Step 3: Cross multiply
   109,863.59x = 164,674.49 × 71,897.27
4. Step 4: Simplify right side
   109,863.59x = 11,839,645,086.78
5. Step 5: Solve for x
   x = 11,839,645,086.78/109,863.59
6. Step 6: Final answer
   x = 107,766.78