Finding the Fourth Proportional to 656,493.42, 984,075.33 and 442,736.04

Step by Step Solution

1. Step 1: Write the proportion equation
   656,493.42 : 984,075.33 = 442,736.04 : x
2. Step 2: Convert to fraction form
   656,493.42/984,075.33 = 442,736.04/x
3. Step 3: Cross multiply
   656,493.42x = 984,075.33 × 442,736.04
4. Step 4: Simplify right side
   656,493.42x = 435,685,614,665.89
5. Step 5: Solve for x
   x = 435,685,614,665.89/656,493.42
6. Step 6: Final answer
   x = 663,655.72