Finding the Fourth Proportional to 2,253,596.04, 3,109,973.35 and 1,221,103.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,596.04 : 3,109,973.35 = 1,221,103.55 : x
2. Step 2: Convert to fraction form
   2,253,596.04/3,109,973.35 = 1,221,103.55/x
3. Step 3: Cross multiply
   2,253,596.04x = 3,109,973.35 × 1,221,103.55
4. Step 4: Simplify right side
   2,253,596.04x = 3,797,599,498,090.39
5. Step 5: Solve for x
   x = 3,797,599,498,090.39/2,253,596.04
6. Step 6: Final answer
   x = 1,685,128.76