Finding the Fourth Proportional to 142,327.64, 213,196.16 and 82,983.32

Step by Step Solution

1. Step 1: Write the proportion equation
   142,327.64 : 213,196.16 = 82,983.32 : x
2. Step 2: Convert to fraction form
   142,327.64/213,196.16 = 82,983.32/x
3. Step 3: Cross multiply
   142,327.64x = 213,196.16 × 82,983.32
4. Step 4: Simplify right side
   142,327.64x = 17,691,725,168.05
5. Step 5: Solve for x
   x = 17,691,725,168.05/142,327.64
6. Step 6: Final answer
   x = 124,302.81