Finding the Fourth Proportional to 1,193,616.32, 1,790,443.31 and 664,500.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,193,616.32 : 1,790,443.31 = 664,500.42 : x
2. Step 2: Convert to fraction form
   1,193,616.32/1,790,443.31 = 664,500.42/x
3. Step 3: Cross multiply
   1,193,616.32x = 1,790,443.31 × 664,500.42
4. Step 4: Simplify right side
   1,193,616.32x = 1,189,750,328,158.69
5. Step 5: Solve for x
   x = 1,189,750,328,158.69/1,193,616.32
6. Step 6: Final answer
   x = 996,761.11