Finding the Fourth Proportional to 422,061.34, 582,444.37 and 231,074.68

Step by Step Solution

1. Step 1: Write the proportion equation
   422,061.34 : 582,444.37 = 231,074.68 : x
2. Step 2: Convert to fraction form
   422,061.34/582,444.37 = 231,074.68/x
3. Step 3: Cross multiply
   422,061.34x = 582,444.37 × 231,074.68
4. Step 4: Simplify right side
   422,061.34x = 134,588,146,415.55
5. Step 5: Solve for x
   x = 134,588,146,415.55/422,061.34
6. Step 6: Final answer
   x = 318,882.91