Finding the Fourth Proportional to 454,399.27, 627,068.18 and 247,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   454,399.27 : 627,068.18 = 247,667.42 : x
2. Step 2: Convert to fraction form
   454,399.27/627,068.18 = 247,667.42/x
3. Step 3: Cross multiply
   454,399.27x = 627,068.18 × 247,667.42
4. Step 4: Simplify right side
   454,399.27x = 155,304,360,491.54
5. Step 5: Solve for x
   x = 155,304,360,491.54/454,399.27
6. Step 6: Final answer
   x = 341,779.51