Finding the Fourth Proportional to 294,619.82, 406,562.22 and 172,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   294,619.82 : 406,562.22 = 172,123.56 : x
2. Step 2: Convert to fraction form
   294,619.82/406,562.22 = 172,123.56/x
3. Step 3: Cross multiply
   294,619.82x = 406,562.22 × 172,123.56
4. Step 4: Simplify right side
   294,619.82x = 69,978,936,667.90
5. Step 5: Solve for x
   x = 69,978,936,667.90/294,619.82
6. Step 6: Final answer
   x = 237,522.85