Finding the Fourth Proportional to 1,409.00, 2,111.18 and 484.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.00 : 2,111.18 = 484.05 : x
2. Step 2: Convert to fraction form
   1,409.00/2,111.18 = 484.05/x
3. Step 3: Cross multiply
   1,409.00x = 2,111.18 × 484.05
4. Step 4: Simplify right side
   1,409.00x = 1,021,917.89
5. Step 5: Solve for x
   x = 1,021,917.89/1,409.00
6. Step 6: Final answer
   x = 725.28