Finding the Fourth Proportional to 142,667.37, 214,036.56 and 42,829.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,667.37 : 214,036.56 = 42,829.34 : x
2. Step 2: Convert to fraction form
   142,667.37/214,036.56 = 42,829.34/x
3. Step 3: Cross multiply
   142,667.37x = 214,036.56 × 42,829.34
4. Step 4: Simplify right side
   142,667.37x = 9,167,043,530.49
5. Step 5: Solve for x
   x = 9,167,043,530.49/142,667.37
6. Step 6: Final answer
   x = 64,254.66