Finding the Fourth Proportional to 803,897.46, 1,204,074.72 and 448,028.82

Step by Step Solution

1. Step 1: Write the proportion equation
   803,897.46 : 1,204,074.72 = 448,028.82 : x
2. Step 2: Convert to fraction form
   803,897.46/1,204,074.72 = 448,028.82/x
3. Step 3: Cross multiply
   803,897.46x = 1,204,074.72 × 448,028.82
4. Step 4: Simplify right side
   803,897.46x = 539,460,175,993.43
5. Step 5: Solve for x
   x = 539,460,175,993.43/803,897.46
6. Step 6: Final answer
   x = 671,055.95