Finding the Fourth Proportional to 2,389,900.30, 3,298,020.73 and 1,302,180.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,900.30 : 3,298,020.73 = 1,302,180.87 : x
2. Step 2: Convert to fraction form
   2,389,900.30/3,298,020.73 = 1,302,180.87/x
3. Step 3: Cross multiply
   2,389,900.30x = 3,298,020.73 × 1,302,180.87
4. Step 4: Simplify right side
   2,389,900.30x = 4,294,619,503,469.44
5. Step 5: Solve for x
   x = 4,294,619,503,469.44/2,389,900.30
6. Step 6: Final answer
   x = 1,796,986.89