Finding the Fourth Proportional to 2,267,245.89, 3,129,139.49 and 1,722,485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267,245.89 : 3,129,139.49 = 1,722,485.25 : x
2. Step 2: Convert to fraction form
   2,267,245.89/3,129,139.49 = 1,722,485.25/x
3. Step 3: Cross multiply
   2,267,245.89x = 3,129,139.49 × 1,722,485.25
4. Step 4: Simplify right side
   2,267,245.89x = 5,389,896,608,105.10
5. Step 5: Solve for x
   x = 5,389,896,608,105.10/2,267,245.89
6. Step 6: Final answer
   x = 2,377,288.07