Finding the Fourth Proportional to 2,189,308.64, 3,284,276.40 and 673,118.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,308.64 : 3,284,276.40 = 673,118.88 : x
2. Step 2: Convert to fraction form
   2,189,308.64/3,284,276.40 = 673,118.88/x
3. Step 3: Cross multiply
   2,189,308.64x = 3,284,276.40 × 673,118.88
4. Step 4: Simplify right side
   2,189,308.64x = 2,210,708,451,978.43
5. Step 5: Solve for x
   x = 2,210,708,451,978.43/2,189,308.64
6. Step 6: Final answer
   x = 1,009,774.69