Finding the Fourth Proportional to 462,959, 638,901.56 and 271,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   462,959 : 638,901.56 = 271,970.72 : x
2. Step 2: Convert to fraction form
   462,959/638,901.56 = 271,970.72/x
3. Step 3: Cross multiply
   462,959x = 638,901.56 × 271,970.72
4. Step 4: Simplify right side
   462,959x = 173,762,517,282.32
5. Step 5: Solve for x
   x = 173,762,517,282.32/462,959
6. Step 6: Final answer
   x = 375,330.25