Finding the Fourth Proportional to 1,404,914.50, 2,107,194 and 445,379.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,914.50 : 2,107,194 = 445,379.41 : x
2. Step 2: Convert to fraction form
   1,404,914.50/2,107,194 = 445,379.41/x
3. Step 3: Cross multiply
   1,404,914.50x = 2,107,194 × 445,379.41
4. Step 4: Simplify right side
   1,404,914.50x = 938,500,820,475.54
5. Step 5: Solve for x
   x = 938,500,820,475.54/1,404,914.50
6. Step 6: Final answer
   x = 668,012.77