Finding the Fourth Proportional to 142,133.82, 213,155.37 and 57,893.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,133.82 : 213,155.37 = 57,893.82 : x
2. Step 2: Convert to fraction form
   142,133.82/213,155.37 = 57,893.82/x
3. Step 3: Cross multiply
   142,133.82x = 213,155.37 × 57,893.82
4. Step 4: Simplify right side
   142,133.82x = 12,340,378,622.81
5. Step 5: Solve for x
   x = 12,340,378,622.81/142,133.82
6. Step 6: Final answer
   x = 86,822.25