Finding the Fourth Proportional to 162,673.26, 242,902.72 and 143,538.42

Step by Step Solution

1. Step 1: Write the proportion equation
   162,673.26 : 242,902.72 = 143,538.42 : x
2. Step 2: Convert to fraction form
   162,673.26/242,902.72 = 143,538.42/x
3. Step 3: Cross multiply
   162,673.26x = 242,902.72 × 143,538.42
4. Step 4: Simplify right side
   162,673.26x = 34,865,872,642.50
5. Step 5: Solve for x
   x = 34,865,872,642.50/162,673.26
6. Step 6: Final answer
   x = 214,330.69