Finding the Fourth Proportional to 721,290.54, 1,082,034.24 and 300,468

Step by Step Solution

1. Step 1: Write the proportion equation
   721,290.54 : 1,082,034.24 = 300,468 : x
2. Step 2: Convert to fraction form
   721,290.54/1,082,034.24 = 300,468/x
3. Step 3: Cross multiply
   721,290.54x = 1,082,034.24 × 300,468
4. Step 4: Simplify right side
   721,290.54x = 325,116,664,024.32
5. Step 5: Solve for x
   x = 325,116,664,024.32/721,290.54
6. Step 6: Final answer
   x = 450,743.00