Finding the Fourth Proportional to 817,648, 1,128,371.52 and 459,952

Step by Step Solution

1. Step 1: Write the proportion equation
   817,648 : 1,128,371.52 = 459,952 : x
2. Step 2: Convert to fraction form
   817,648/1,128,371.52 = 459,952/x
3. Step 3: Cross multiply
   817,648x = 1,128,371.52 × 459,952
4. Step 4: Simplify right side
   817,648x = 518,996,737,367.04
5. Step 5: Solve for x
   x = 518,996,737,367.04/817,648
6. Step 6: Final answer
   x = 634,743.48