Finding the Fourth Proportional to 1,202,158.34, 1,658,978.46 and 658,327.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,158.34 : 1,658,978.46 = 658,327.38 : x
2. Step 2: Convert to fraction form
   1,202,158.34/1,658,978.46 = 658,327.38/x
3. Step 3: Cross multiply
   1,202,158.34x = 1,658,978.46 × 658,327.38
4. Step 4: Simplify right side
   1,202,158.34x = 1,092,150,943,048.23
5. Step 5: Solve for x
   x = 1,092,150,943,048.23/1,202,158.34
6. Step 6: Final answer
   x = 908,491.76