Finding the Fourth Proportional to 1,404,925.50, 2,107,210.50 and 445,390.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,925.50 : 2,107,210.50 = 445,390.41 : x
2. Step 2: Convert to fraction form
   1,404,925.50/2,107,210.50 = 445,390.41/x
3. Step 3: Cross multiply
   1,404,925.50x = 2,107,210.50 × 445,390.41
4. Step 4: Simplify right side
   1,404,925.50x = 938,531,348,551.31
5. Step 5: Solve for x
   x = 938,531,348,551.31/1,404,925.50
6. Step 6: Final answer
   x = 668,029.26