Finding the Fourth Proportional to 2,699,487.86, 4,048,413.89 and 1,419,405.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699,487.86 : 4,048,413.89 = 1,419,405.57 : x
2. Step 2: Convert to fraction form
   2,699,487.86/4,048,413.89 = 1,419,405.57/x
3. Step 3: Cross multiply
   2,699,487.86x = 4,048,413.89 × 1,419,405.57
4. Step 4: Simplify right side
   2,699,487.86x = 5,746,341,218,034.34
5. Step 5: Solve for x
   x = 5,746,341,218,034.34/2,699,487.86
6. Step 6: Final answer
   x = 2,128,678.30