Finding the Fourth Proportional to 172,447.82, 258,584.78 and 52,481.76

Step by Step Solution

1. Step 1: Write the proportion equation
   172,447.82 : 258,584.78 = 52,481.76 : x
2. Step 2: Convert to fraction form
   172,447.82/258,584.78 = 52,481.76/x
3. Step 3: Cross multiply
   172,447.82x = 258,584.78 × 52,481.76
4. Step 4: Simplify right side
   172,447.82x = 13,570,983,525.12
5. Step 5: Solve for x
   x = 13,570,983,525.12/172,447.82
6. Step 6: Final answer
   x = 78,696.17