Finding the Fourth Proportional to 143,228.91, 214,693.69 and 79,956.26

Step by Step Solution

1. Step 1: Write the proportion equation
   143,228.91 : 214,693.69 = 79,956.26 : x
2. Step 2: Convert to fraction form
   143,228.91/214,693.69 = 79,956.26/x
3. Step 3: Cross multiply
   143,228.91x = 214,693.69 × 79,956.26
4. Step 4: Simplify right side
   143,228.91x = 17,166,105,387.31
5. Step 5: Solve for x
   x = 17,166,105,387.31/143,228.91
6. Step 6: Final answer
   x = 119,850.84