Finding the Fourth Proportional to 1,945.04, 2,919 and 1,080.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.04 : 2,919 = 1,080.08 : x
2. Step 2: Convert to fraction form
   1,945.04/2,919 = 1,080.08/x
3. Step 3: Cross multiply
   1,945.04x = 2,919 × 1,080.08
4. Step 4: Simplify right side
   1,945.04x = 3,152,753.52
5. Step 5: Solve for x
   x = 3,152,753.52/1,945.04
6. Step 6: Final answer
   x = 1,620.92