Finding the Fourth Proportional to 1,171,023, 1,616,012.82 and 634,479

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,023 : 1,616,012.82 = 634,479 : x
2. Step 2: Convert to fraction form
   1,171,023/1,616,012.82 = 634,479/x
3. Step 3: Cross multiply
   1,171,023x = 1,616,012.82 × 634,479
4. Step 4: Simplify right side
   1,171,023x = 1,025,326,198,020.78
5. Step 5: Solve for x
   x = 1,025,326,198,020.78/1,171,023
6. Step 6: Final answer
   x = 875,581.61