Finding the Fourth Proportional to 728,090.37, 1,004,295.71 and 483,069.83

Step by Step Solution

1. Step 1: Write the proportion equation
   728,090.37 : 1,004,295.71 = 483,069.83 : x
2. Step 2: Convert to fraction form
   728,090.37/1,004,295.71 = 483,069.83/x
3. Step 3: Cross multiply
   728,090.37x = 1,004,295.71 × 483,069.83
4. Step 4: Simplify right side
   728,090.37x = 485,144,954,085.63
5. Step 5: Solve for x
   x = 485,144,954,085.63/728,090.37
6. Step 6: Final answer
   x = 666,325.19