Finding the Fourth Proportional to 730,603.52, 1,095,715.20 and 309,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   730,603.52 : 1,095,715.20 = 309,662.72 : x
2. Step 2: Convert to fraction form
   730,603.52/1,095,715.20 = 309,662.72/x
3. Step 3: Cross multiply
   730,603.52x = 1,095,715.20 × 309,662.72
4. Step 4: Simplify right side
   730,603.52x = 339,302,149,177.34
5. Step 5: Solve for x
   x = 339,302,149,177.34/730,603.52
6. Step 6: Final answer
   x = 464,413.52