Finding the Fourth Proportional to 488,100.72, 730,819.44 and 369,413.04

Step by Step Solution

1. Step 1: Write the proportion equation
   488,100.72 : 730,819.44 = 369,413.04 : x
2. Step 2: Convert to fraction form
   488,100.72/730,819.44 = 369,413.04/x
3. Step 3: Cross multiply
   488,100.72x = 730,819.44 × 369,413.04
4. Step 4: Simplify right side
   488,100.72x = 269,974,231,021.50
5. Step 5: Solve for x
   x = 269,974,231,021.50/488,100.72
6. Step 6: Final answer
   x = 553,111.72