Finding the Fourth Proportional to 1,980.91, 2,733 and 1,141.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.91 : 2,733 = 1,141.31 : x
2. Step 2: Convert to fraction form
   1,980.91/2,733 = 1,141.31/x
3. Step 3: Cross multiply
   1,980.91x = 2,733 × 1,141.31
4. Step 4: Simplify right side
   1,980.91x = 3,119,200.23
5. Step 5: Solve for x
   x = 3,119,200.23/1,980.91
6. Step 6: Final answer
   x = 1,574.63