Finding the Fourth Proportional to 2,138,304.30, 3,201,551.55 and 1,665,912.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,304.30 : 3,201,551.55 = 1,665,912.30 : x
2. Step 2: Convert to fraction form
   2,138,304.30/3,201,551.55 = 1,665,912.30/x
3. Step 3: Cross multiply
   2,138,304.30x = 3,201,551.55 × 1,665,912.30
4. Step 4: Simplify right side
   2,138,304.30x = 5,333,504,106,229.06
5. Step 5: Solve for x
   x = 5,333,504,106,229.06/2,138,304.30
6. Step 6: Final answer
   x = 2,494,268.05