Finding the Fourth Proportional to 173,290.42, 259,960.42 and 53,357.52

Step by Step Solution

1. Step 1: Write the proportion equation
   173,290.42 : 259,960.42 = 53,357.52 : x
2. Step 2: Convert to fraction form
   173,290.42/259,960.42 = 53,357.52/x
3. Step 3: Cross multiply
   173,290.42x = 259,960.42 × 53,357.52
4. Step 4: Simplify right side
   173,290.42x = 13,870,843,309.36
5. Step 5: Solve for x
   x = 13,870,843,309.36/173,290.42
6. Step 6: Final answer
   x = 80,043.91