Finding the Fourth Proportional to 2,253,589.33, 3,109,956.01 and 1,221,096.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,589.33 : 3,109,956.01 = 1,221,096.30 : x
2. Step 2: Convert to fraction form
   2,253,589.33/3,109,956.01 = 1,221,096.30/x
3. Step 3: Cross multiply
   2,253,589.33x = 3,109,956.01 × 1,221,096.30
4. Step 4: Simplify right side
   2,253,589.33x = 3,797,555,787,801.39
5. Step 5: Solve for x
   x = 3,797,555,787,801.39/2,253,589.33
6. Step 6: Final answer
   x = 1,685,114.38