Finding the Fourth Proportional to 2,428,527.59, 3,642,740.51 and 809,413.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,527.59 : 3,642,740.51 = 809,413.63 : x
2. Step 2: Convert to fraction form
   2,428,527.59/3,642,740.51 = 809,413.63/x
3. Step 3: Cross multiply
   2,428,527.59x = 3,642,740.51 × 809,413.63
4. Step 4: Simplify right side
   2,428,527.59x = 2,948,483,806,193.23
5. Step 5: Solve for x
   x = 2,948,483,806,193.23/2,428,527.59
6. Step 6: Final answer
   x = 1,214,103.48