Finding the Fourth Proportional to 2,013,315.33, 3,020,445.98 and 665,478.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013,315.33 : 3,020,445.98 = 665,478.02 : x
2. Step 2: Convert to fraction form
   2,013,315.33/3,020,445.98 = 665,478.02/x
3. Step 3: Cross multiply
   2,013,315.33x = 3,020,445.98 × 665,478.02
4. Step 4: Simplify right side
   2,013,315.33x = 2,010,040,410,287.36
5. Step 5: Solve for x
   x = 2,010,040,410,287.36/2,013,315.33
6. Step 6: Final answer
   x = 998,373.37