Finding the Fourth Proportional to 172,965.98, 259,427.50 and 46,616.11

Step by Step Solution

1. Step 1: Write the proportion equation
   172,965.98 : 259,427.50 = 46,616.11 : x
2. Step 2: Convert to fraction form
   172,965.98/259,427.50 = 46,616.11/x
3. Step 3: Cross multiply
   172,965.98x = 259,427.50 × 46,616.11
4. Step 4: Simplify right side
   172,965.98x = 12,093,500,111.92
5. Step 5: Solve for x
   x = 12,093,500,111.92/172,965.98
6. Step 6: Final answer
   x = 69,918.37