Finding the Fourth Proportional to 2,227,599.72, 3,074,090.58 and 1,209,004.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,599.72 : 3,074,090.58 = 1,209,004.47 : x
2. Step 2: Convert to fraction form
   2,227,599.72/3,074,090.58 = 1,209,004.47/x
3. Step 3: Cross multiply
   2,227,599.72x = 3,074,090.58 × 1,209,004.47
4. Step 4: Simplify right side
   2,227,599.72x = 3,716,589,252,404.89
5. Step 5: Solve for x
   x = 3,716,589,252,404.89/2,227,599.72
6. Step 6: Final answer
   x = 1,668,427.78