Finding the Fourth Proportional to 1,404,900.38, 2,107,172.82 and 445,365.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,900.38 : 2,107,172.82 = 445,365.24 : x
2. Step 2: Convert to fraction form
   1,404,900.38/2,107,172.82 = 445,365.24/x
3. Step 3: Cross multiply
   1,404,900.38x = 2,107,172.82 × 445,365.24
4. Step 4: Simplify right side
   1,404,900.38x = 938,461,528,700.78
5. Step 5: Solve for x
   x = 938,461,528,700.78/1,404,900.38
6. Step 6: Final answer
   x = 667,991.51