Finding the Fourth Proportional to 142,096.97, 213,067.08 and 57,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,096.97 : 213,067.08 = 57,835.50 : x
2. Step 2: Convert to fraction form
   142,096.97/213,067.08 = 57,835.50/x
3. Step 3: Cross multiply
   142,096.97x = 213,067.08 × 57,835.50
4. Step 4: Simplify right side
   142,096.97x = 12,322,841,105.34
5. Step 5: Solve for x
   x = 12,322,841,105.34/142,096.97
6. Step 6: Final answer
   x = 86,721.35