Finding the Fourth Proportional to 1,404,665.52, 2,107,264.05 and 445,362.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,665.52 : 2,107,264.05 = 445,362.74 : x
2. Step 2: Convert to fraction form
   1,404,665.52/2,107,264.05 = 445,362.74/x
3. Step 3: Cross multiply
   1,404,665.52x = 2,107,264.05 × 445,362.74
4. Step 4: Simplify right side
   1,404,665.52x = 938,496,891,211.50
5. Step 5: Solve for x
   x = 938,496,891,211.50/1,404,665.52
6. Step 6: Final answer
   x = 668,128.37