Finding the Fourth Proportional to 2,182,766.28, 3,011,817.72 and 1,215,872.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,766.28 : 3,011,817.72 = 1,215,872.52 : x
2. Step 2: Convert to fraction form
   2,182,766.28/3,011,817.72 = 1,215,872.52/x
3. Step 3: Cross multiply
   2,182,766.28x = 3,011,817.72 × 1,215,872.52
4. Step 4: Simplify right side
   2,182,766.28x = 3,661,986,400,997.06
5. Step 5: Solve for x
   x = 3,661,986,400,997.06/2,182,766.28
6. Step 6: Final answer
   x = 1,677,681.41