Finding the Fourth Proportional to 173,288.53, 259,957.59 and 53,355.63

Step by Step Solution

1. Step 1: Write the proportion equation
   173,288.53 : 259,957.59 = 53,355.63 : x
2. Step 2: Convert to fraction form
   173,288.53/259,957.59 = 53,355.63/x
3. Step 3: Cross multiply
   173,288.53x = 259,957.59 × 53,355.63
4. Step 4: Simplify right side
   173,288.53x = 13,870,200,987.73
5. Step 5: Solve for x
   x = 13,870,200,987.73/173,288.53
6. Step 6: Final answer
   x = 80,041.08