Finding the Fourth Proportional to 2,227,628.62, 3,074,128.80 and 1,209,033.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,628.62 : 3,074,128.80 = 1,209,033.34 : x
2. Step 2: Convert to fraction form
   2,227,628.62/3,074,128.80 = 1,209,033.34/x
3. Step 3: Cross multiply
   2,227,628.62x = 3,074,128.80 × 1,209,033.34
4. Step 4: Simplify right side
   2,227,628.62x = 3,716,724,210,654.19
5. Step 5: Solve for x
   x = 3,716,724,210,654.19/2,227,628.62
6. Step 6: Final answer
   x = 1,668,466.72