Finding the Fourth Proportional to 1,158.72, 1,600.41 and 982.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.72 : 1,600.41 = 982.26 : x
2. Step 2: Convert to fraction form
   1,158.72/1,600.41 = 982.26/x
3. Step 3: Cross multiply
   1,158.72x = 1,600.41 × 982.26
4. Step 4: Simplify right side
   1,158.72x = 1,572,018.73
5. Step 5: Solve for x
   x = 1,572,018.73/1,158.72
6. Step 6: Final answer
   x = 1,356.69