Finding the Fourth Proportional to 730,535.72, 1,008,140.67 and 408,245.82

Step by Step Solution

1. Step 1: Write the proportion equation
   730,535.72 : 1,008,140.67 = 408,245.82 : x
2. Step 2: Convert to fraction form
   730,535.72/1,008,140.67 = 408,245.82/x
3. Step 3: Cross multiply
   730,535.72x = 1,008,140.67 × 408,245.82
4. Step 4: Simplify right side
   730,535.72x = 411,569,214,499.50
5. Step 5: Solve for x
   x = 411,569,214,499.50/730,535.72
6. Step 6: Final answer
   x = 563,380.00