Finding the Fourth Proportional to 1,404,899.38, 2,107,171.32 and 445,364.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,899.38 : 2,107,171.32 = 445,364.24 : x
2. Step 2: Convert to fraction form
   1,404,899.38/2,107,171.32 = 445,364.24/x
3. Step 3: Cross multiply
   1,404,899.38x = 2,107,171.32 × 445,364.24
4. Step 4: Simplify right side
   1,404,899.38x = 938,458,745,491.42
5. Step 5: Solve for x
   x = 938,458,745,491.42/1,404,899.38
6. Step 6: Final answer
   x = 667,990.00