Finding the Fourth Proportional to 1,456,021.96, 2,184,038.52 and 445,139.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,021.96 : 2,184,038.52 = 445,139.98 : x
2. Step 2: Convert to fraction form
   1,456,021.96/2,184,038.52 = 445,139.98/x
3. Step 3: Cross multiply
   1,456,021.96x = 2,184,038.52 × 445,139.98
4. Step 4: Simplify right side
   1,456,021.96x = 972,202,863,112.03
5. Step 5: Solve for x
   x = 972,202,863,112.03/1,456,021.96
6. Step 6: Final answer
   x = 667,711.68