Finding the Fourth Proportional to 1,861,288.10, 2,568,179.13 and 1,086,567.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861,288.10 : 2,568,179.13 = 1,086,567.32 : x
2. Step 2: Convert to fraction form
   1,861,288.10/2,568,179.13 = 1,086,567.32/x
3. Step 3: Cross multiply
   1,861,288.10x = 2,568,179.13 × 1,086,567.32
4. Step 4: Simplify right side
   1,861,288.10x = 2,790,499,501,723.14
5. Step 5: Solve for x
   x = 2,790,499,501,723.14/1,861,288.10
6. Step 6: Final answer
   x = 1,499,230.30