Finding the Fourth Proportional to 1,162,427.31, 1,743,592.37 and 404,440.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162,427.31 : 1,743,592.37 = 404,440.25 : x
2. Step 2: Convert to fraction form
   1,162,427.31/1,743,592.37 = 404,440.25/x
3. Step 3: Cross multiply
   1,162,427.31x = 1,743,592.37 × 404,440.25
4. Step 4: Simplify right side
   1,162,427.31x = 705,178,923,280.73
5. Step 5: Solve for x
   x = 705,178,923,280.73/1,162,427.31
6. Step 6: Final answer
   x = 606,643.46