Finding the Fourth Proportional to 1,109.47, 1,664.00 and 484.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.47 : 1,664.00 = 484.42 : x
2. Step 2: Convert to fraction form
   1,109.47/1,664.00 = 484.42/x
3. Step 3: Cross multiply
   1,109.47x = 1,664.00 × 484.42
4. Step 4: Simplify right side
   1,109.47x = 806,081.77
5. Step 5: Solve for x
   x = 806,081.77/1,109.47
6. Step 6: Final answer
   x = 726.55