Finding the Fourth Proportional to 10,866,866.28, 16,300,857.60 and 2,779,911.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866,866.28 : 16,300,857.60 = 2,779,911.96 : x
2. Step 2: Convert to fraction form
   10,866,866.28/16,300,857.60 = 2,779,911.96/x
3. Step 3: Cross multiply
   10,866,866.28x = 16,300,857.60 × 2,779,911.96
4. Step 4: Simplify right side
   10,866,866.28x = 45,314,949,000,496.89
5. Step 5: Solve for x
   x = 45,314,949,000,496.89/10,866,866.28
6. Step 6: Final answer
   x = 4,170,010.73