Finding the Fourth Proportional to 2,667,757.98, 4,002,273.63 and 870,644.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,757.98 : 4,002,273.63 = 870,644.79 : x
2. Step 2: Convert to fraction form
   2,667,757.98/4,002,273.63 = 870,644.79/x
3. Step 3: Cross multiply
   2,667,757.98x = 4,002,273.63 × 870,644.79
4. Step 4: Simplify right side
   2,667,757.98x = 3,484,558,684,113.89
5. Step 5: Solve for x
   x = 3,484,558,684,113.89/2,667,757.98
6. Step 6: Final answer
   x = 1,306,174.96