Finding the Fourth Proportional to 142,729.83, 214,027.72 and 82,775.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,729.83 : 214,027.72 = 82,775.34 : x
2. Step 2: Convert to fraction form
   142,729.83/214,027.72 = 82,775.34/x
3. Step 3: Cross multiply
   142,729.83x = 214,027.72 × 82,775.34
4. Step 4: Simplify right side
   142,729.83x = 17,716,217,085.49
5. Step 5: Solve for x
   x = 17,716,217,085.49/142,729.83
6. Step 6: Final answer
   x = 124,124.14