Finding the Fourth Proportional to 172,926.50, 259,429.84 and 67,746.38

Step by Step Solution

1. Step 1: Write the proportion equation
   172,926.50 : 259,429.84 = 67,746.38 : x
2. Step 2: Convert to fraction form
   172,926.50/259,429.84 = 67,746.38/x
3. Step 3: Cross multiply
   172,926.50x = 259,429.84 × 67,746.38
4. Step 4: Simplify right side
   172,926.50x = 17,575,431,057.46
5. Step 5: Solve for x
   x = 17,575,431,057.46/172,926.50
6. Step 6: Final answer
   x = 101,635.27