Finding the Fourth Proportional to 708,947.24, 978,674.82 and 437,063.72

Step by Step Solution

1. Step 1: Write the proportion equation
   708,947.24 : 978,674.82 = 437,063.72 : x
2. Step 2: Convert to fraction form
   708,947.24/978,674.82 = 437,063.72/x
3. Step 3: Cross multiply
   708,947.24x = 978,674.82 × 437,063.72
4. Step 4: Simplify right side
   708,947.24x = 427,743,257,499.53
5. Step 5: Solve for x
   x = 427,743,257,499.53/708,947.24
6. Step 6: Final answer
   x = 603,349.92