Finding the Fourth Proportional to 67,093.98, 100,640.90 and 17,173.99

Step by Step Solution

1. Step 1: Write the proportion equation
   67,093.98 : 100,640.90 = 17,173.99 : x
2. Step 2: Convert to fraction form
   67,093.98/100,640.90 = 17,173.99/x
3. Step 3: Cross multiply
   67,093.98x = 100,640.90 × 17,173.99
4. Step 4: Simplify right side
   67,093.98x = 1,728,406,018.86
5. Step 5: Solve for x
   x = 1,728,406,018.86/67,093.98
6. Step 6: Final answer
   x = 25,760.97