Finding the Fourth Proportional to 1,476.17, 2,209.61 and 1,080.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.17 : 2,209.61 = 1,080.00 : x
2. Step 2: Convert to fraction form
   1,476.17/2,209.61 = 1,080.00/x
3. Step 3: Cross multiply
   1,476.17x = 2,209.61 × 1,080.00
4. Step 4: Simplify right side
   1,476.17x = 2,386,383.88
5. Step 5: Solve for x
   x = 2,386,383.88/1,476.17
6. Step 6: Final answer
   x = 1,616.61