Finding the Fourth Proportional to 2,188,765.98, 3,284,188.65 and 1,515,882.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,765.98 : 3,284,188.65 = 1,515,882.78 : x
2. Step 2: Convert to fraction form
   2,188,765.98/3,284,188.65 = 1,515,882.78/x
3. Step 3: Cross multiply
   2,188,765.98x = 3,284,188.65 × 1,515,882.78
4. Step 4: Simplify right side
   2,188,765.98x = 4,978,445,020,806.45
5. Step 5: Solve for x
   x = 4,978,445,020,806.45/2,188,765.98
6. Step 6: Final answer
   x = 2,274,544.23