Finding the Fourth Proportional to 172,368.50, 258,552.69 and 54,049.37

Step by Step Solution

1. Step 1: Write the proportion equation
   172,368.50 : 258,552.69 = 54,049.37 : x
2. Step 2: Convert to fraction form
   172,368.50/258,552.69 = 54,049.37/x
3. Step 3: Cross multiply
   172,368.50x = 258,552.69 × 54,049.37
4. Step 4: Simplify right side
   172,368.50x = 13,974,608,713.54
5. Step 5: Solve for x
   x = 13,974,608,713.54/172,368.50
6. Step 6: Final answer
   x = 81,074.03