Finding the Fourth Proportional to 172,314.82, 258,472.38 and 53,995.38

Step by Step Solution

1. Step 1: Write the proportion equation
   172,314.82 : 258,472.38 = 53,995.38 : x
2. Step 2: Convert to fraction form
   172,314.82/258,472.38 = 53,995.38/x
3. Step 3: Cross multiply
   172,314.82x = 258,472.38 × 53,995.38
4. Step 4: Simplify right side
   172,314.82x = 13,956,314,377.60
5. Step 5: Solve for x
   x = 13,956,314,377.60/172,314.82
6. Step 6: Final answer
   x = 80,993.12