Finding the Fourth Proportional to 2,228,096.56, 3,074,770.20 and 1,209,501.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228,096.56 : 3,074,770.20 = 1,209,501.40 : x
2. Step 2: Convert to fraction form
   2,228,096.56/3,074,770.20 = 1,209,501.40/x
3. Step 3: Cross multiply
   2,228,096.56x = 3,074,770.20 × 1,209,501.40
4. Step 4: Simplify right side
   2,228,096.56x = 3,718,938,861,578.28
5. Step 5: Solve for x
   x = 3,718,938,861,578.28/2,228,096.56
6. Step 6: Final answer
   x = 1,669,110.27