Finding the Fourth Proportional to 166,897.82, 250,287.77 and 72,124.17

Step by Step Solution

1. Step 1: Write the proportion equation
   166,897.82 : 250,287.77 = 72,124.17 : x
2. Step 2: Convert to fraction form
   166,897.82/250,287.77 = 72,124.17/x
3. Step 3: Cross multiply
   166,897.82x = 250,287.77 × 72,124.17
4. Step 4: Simplify right side
   166,897.82x = 18,051,797,311.78
5. Step 5: Solve for x
   x = 18,051,797,311.78/166,897.82
6. Step 6: Final answer
   x = 108,160.78