Finding the Fourth Proportional to 1,592,018.37, 2,388,342.69 and 454,790.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592,018.37 : 2,388,342.69 = 454,790.37 : x
2. Step 2: Convert to fraction form
   1,592,018.37/2,388,342.69 = 454,790.37/x
3. Step 3: Cross multiply
   1,592,018.37x = 2,388,342.69 × 454,790.37
4. Step 4: Simplify right side
   1,592,018.37x = 1,086,195,255,671.90
5. Step 5: Solve for x
   x = 1,086,195,255,671.90/1,592,018.37
6. Step 6: Final answer
   x = 682,275.58