Finding the Fourth Proportional to 462,951, 638,890.50 and 271,962.72

Step by Step Solution

1. Step 1: Write the proportion equation
   462,951 : 638,890.50 = 271,962.72 : x
2. Step 2: Convert to fraction form
   462,951/638,890.50 = 271,962.72/x
3. Step 3: Cross multiply
   462,951x = 638,890.50 × 271,962.72
4. Step 4: Simplify right side
   462,951x = 173,754,398,162.16
5. Step 5: Solve for x
   x = 173,754,398,162.16/462,951
6. Step 6: Final answer
   x = 375,319.20