Finding the Fourth Proportional to 1,980.42, 2,732.67 and 1,141.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.42 : 2,732.67 = 1,141.16 : x
2. Step 2: Convert to fraction form
   1,980.42/2,732.67 = 1,141.16/x
3. Step 3: Cross multiply
   1,980.42x = 2,732.67 × 1,141.16
4. Step 4: Simplify right side
   1,980.42x = 3,118,400.03
5. Step 5: Solve for x
   x = 3,118,400.03/1,980.42
6. Step 6: Final answer
   x = 1,574.62