Finding the Fourth Proportional to 1,446.41, 1,993.32 and 1,131.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.41 : 1,993.32 = 1,131.18 : x
2. Step 2: Convert to fraction form
   1,446.41/1,993.32 = 1,131.18/x
3. Step 3: Cross multiply
   1,446.41x = 1,993.32 × 1,131.18
4. Step 4: Simplify right side
   1,446.41x = 2,254,803.72
5. Step 5: Solve for x
   x = 2,254,803.72/1,446.41
6. Step 6: Final answer
   x = 1,558.90