Finding the Fourth Proportional to 455,366, 628,411.56 and 254,162

Step by Step Solution

1. Step 1: Write the proportion equation
   455,366 : 628,411.56 = 254,162 : x
2. Step 2: Convert to fraction form
   455,366/628,411.56 = 254,162/x
3. Step 3: Cross multiply
   455,366x = 628,411.56 × 254,162
4. Step 4: Simplify right side
   455,366x = 159,718,338,912.72
5. Step 5: Solve for x
   x = 159,718,338,912.72/455,366
6. Step 6: Final answer
   x = 350,747.18