Finding the Fourth Proportional to 593,283.84, 818,505.72 and 438,606.56

Step by Step Solution

1. Step 1: Write the proportion equation
   593,283.84 : 818,505.72 = 438,606.56 : x
2. Step 2: Convert to fraction form
   593,283.84/818,505.72 = 438,606.56/x
3. Step 3: Cross multiply
   593,283.84x = 818,505.72 × 438,606.56
4. Step 4: Simplify right side
   593,283.84x = 359,001,978,189.52
5. Step 5: Solve for x
   x = 359,001,978,189.52/593,283.84
6. Step 6: Final answer
   x = 605,109.99