Finding the Fourth Proportional to 168,716.16, 253,067.94 and 42,357.24

Step by Step Solution

1. Step 1: Write the proportion equation
   168,716.16 : 253,067.94 = 42,357.24 : x
2. Step 2: Convert to fraction form
   168,716.16/253,067.94 = 42,357.24/x
3. Step 3: Cross multiply
   168,716.16x = 253,067.94 × 42,357.24
4. Step 4: Simplify right side
   168,716.16x = 10,719,259,470.89
5. Step 5: Solve for x
   x = 10,719,259,470.89/168,716.16
6. Step 6: Final answer
   x = 63,534.28