Finding the Fourth Proportional to 2,120,589.12, 3,180,196.80 and 700,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,589.12 : 3,180,196.80 = 700,302.72 : x
2. Step 2: Convert to fraction form
   2,120,589.12/3,180,196.80 = 700,302.72/x
3. Step 3: Cross multiply
   2,120,589.12x = 3,180,196.80 × 700,302.72
4. Step 4: Simplify right side
   2,120,589.12x = 2,227,100,469,175.30
5. Step 5: Solve for x
   x = 2,227,100,469,175.30/2,120,589.12
6. Step 6: Final answer
   x = 1,050,227.24