Finding the Fourth Proportional to 721,572.42, 1,082,365.89 and 322,233.42

Step by Step Solution

1. Step 1: Write the proportion equation
   721,572.42 : 1,082,365.89 = 322,233.42 : x
2. Step 2: Convert to fraction form
   721,572.42/1,082,365.89 = 322,233.42/x
3. Step 3: Cross multiply
   721,572.42x = 1,082,365.89 × 322,233.42
4. Step 4: Simplify right side
   721,572.42x = 348,774,462,426.04
5. Step 5: Solve for x
   x = 348,774,462,426.04/721,572.42
6. Step 6: Final answer
   x = 483,353.37