Finding the Fourth Proportional to 142,097.46, 213,067.82 and 57,836

Step by Step Solution

1. Step 1: Write the proportion equation
   142,097.46 : 213,067.82 = 57,836 : x
2. Step 2: Convert to fraction form
   142,097.46/213,067.82 = 57,836/x
3. Step 3: Cross multiply
   142,097.46x = 213,067.82 × 57,836
4. Step 4: Simplify right side
   142,097.46x = 12,322,990,437.52
5. Step 5: Solve for x
   x = 12,322,990,437.52/142,097.46
6. Step 6: Final answer
   x = 86,722.10