Finding the Fourth Proportional to 172,884.42, 259,443.27 and 67,690.26

Step by Step Solution

1. Step 1: Write the proportion equation
   172,884.42 : 259,443.27 = 67,690.26 : x
2. Step 2: Convert to fraction form
   172,884.42/259,443.27 = 67,690.26/x
3. Step 3: Cross multiply
   172,884.42x = 259,443.27 × 67,690.26
4. Step 4: Simplify right side
   172,884.42x = 17,561,782,401.55
5. Step 5: Solve for x
   x = 17,561,782,401.55/172,884.42
6. Step 6: Final answer
   x = 101,581.06