Finding the Fourth Proportional to 422,667.13, 582,300.34 and 295,140.73

Step by Step Solution

1. Step 1: Write the proportion equation
   422,667.13 : 582,300.34 = 295,140.73 : x
2. Step 2: Convert to fraction form
   422,667.13/582,300.34 = 295,140.73/x
3. Step 3: Cross multiply
   422,667.13x = 582,300.34 × 295,140.73
4. Step 4: Simplify right side
   422,667.13x = 171,860,547,426.85
5. Step 5: Solve for x
   x = 171,860,547,426.85/422,667.13
6. Step 6: Final answer
   x = 406,609.68